2102023121313 has 32 divisors (see below), whose sum is σ = 2822733619200. Its totient is φ = 1391373963776.

The previous prime is 2102023121309. The next prime is 2102023121339. The reversal of 2102023121313 is 3131213202012.

It is a cyclic number.

It is not a de Polignac number, because 2102023121313 - 2² = 2102023121309 is a prime.

It is a super-2 number, since 2×2102023121313² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2102023121313.

It is not an unprimeable number, because it can be changed into a prime (2102023123313) 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, 351094906 + ... + 351100892.

It is an arithmetic number, because the mean of its divisors is an integer number (88210425600).

Almost surely, 2^{2102023121313} is an apocalyptic number.

It is an amenable number.

2102023121313 is a deficient number, since it is larger than the sum of its proper divisors (720710497887).

2102023121313 is a wasteful number, since it uses less digits than its factorization.

2102023121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7661.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2102023121313 its reverse (3131213202012), we get a palindrome (5233236323325).

The spelling of 2102023121313 in words is "two trillion, one hundred two billion, twenty-three million, one hundred twenty-one thousand, three hundred thirteen".