2010101121 has 48 divisors (see below), whose sum is σ = 3350325888. Its totient is φ = 1137600000.

The previous prime is 2010101089. The next prime is 2010101129. The reversal of 2010101121 is 1211010102.

It is a happy number.

It is not a de Polignac number, because 2010101121 - 2⁵ = 2010101089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2010101129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5012521 + ... + 5012921.

It is an arithmetic number, because the mean of its divisors is an integer number (69798456).

Almost surely, 2^2010101121 is an apocalyptic number.

2010101121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2010101121 is a deficient number, since it is larger than the sum of its proper divisors (1340224767).

2010101121 is a wasteful number, since it uses less digits than its factorization.

2010101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 2010101121 is about 44834.1512800231. The cubic root of 2010101121 is about 1262.0385914579.

Adding to 2010101121 its reverse (1211010102), we get a palindrome (3221111223).

The spelling of 2010101121 in words is "two billion, ten million, one hundred one thousand, one hundred twenty-one".