2121311024 has 40 divisors (see below), whose sum is σ = 4859168160. Its totient is φ = 877782528.

The previous prime is 2121311011. The next prime is 2121311041. The reversal of 2121311024 is 4201131212.

It is a junction number, because it is equal to n+sod(n) for n = 2121310993 and 2121311011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323309 + ... + 329804.

It is an arithmetic number, because the mean of its divisors is an integer number (121479204).

Almost surely, 2^2121311024 is an apocalyptic number.

It is an amenable number.

2121311024 is an abundant number, since it is smaller than the sum of its proper divisors (2737857136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121311024 is a wasteful number, since it uses less digits than its factorization.

2121311024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653157 (or 653151 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2121311024 is about 46057.6923434077. The cubic root of 2121311024 is about 1284.8964117822.

Adding to 2121311024 its reverse (4201131212), we get a palindrome (6322442236).

The spelling of 2121311024 in words is "two billion, one hundred twenty-one million, three hundred eleven thousand, twenty-four".