2332121021 has 2 divisors, whose sum is σ = 2332121022. Its totient is φ = 2332121020.

The previous prime is 2332121017. The next prime is 2332121053. The reversal of 2332121021 is 1201212332.

2332121021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1913100121 + 419020900 = 43739^2 + 20470^2 .

It is a cyclic number.

It is not a de Polignac number, because 2332121021 - 2² = 2332121017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2332121221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1166060510 + 1166060511.

It is an arithmetic number, because the mean of its divisors is an integer number (1166060511).

Almost surely, 2^2332121021 is an apocalyptic number.

It is an amenable number.

2332121021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2332121021 is an equidigital number, since it uses as much as digits as its factorization.

2332121021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2332121021 is about 48292.0388987667. The cubic root of 2332121021 is about 1326.1226552130.

Adding to 2332121021 its reverse (1201212332), we get a palindrome (3533333353).

The spelling of 2332121021 in words is "two billion, three hundred thirty-two million, one hundred twenty-one thousand, twenty-one".