2300121021 has 32 divisors (see below), whose sum is σ = 3441909888. Its totient is φ = 1354026240.

The previous prime is 2300121013. The next prime is 2300121023. The reversal of 2300121021 is 1201210032.

2300121021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2300121021 - 2³ = 2300121013 is a prime.

It is a super-2 number, since 2×2300121021² = 10581113422492164882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2300120988 and 2300121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2300121023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 942615 + ... + 945051.

It is an arithmetic number, because the mean of its divisors is an integer number (107559684).

Almost surely, 2^2300121021 is an apocalyptic number.

It is an amenable number.

2300121021 is a deficient number, since it is larger than the sum of its proper divisors (1141788867).

2300121021 is a wasteful number, since it uses less digits than its factorization.

2300121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2300121021 is about 47959.5769476754. The cubic root of 2300121021 is about 1320.0292733407.

Adding to 2300121021 its reverse (1201210032), we get a palindrome (3501331053).

It can be divided in two parts, 2300 and 121021, that added together give a palindrome (123321).

The spelling of 2300121021 in words is "two billion, three hundred million, one hundred twenty-one thousand, twenty-one".