10123535021051 has 16 divisors (see below), whose sum is σ = 10776797841600. Its totient is φ = 9491588604288.

The previous prime is 10123535021027. The next prime is 10123535021057. The reversal of 10123535021051 is 15012053532101.

It is a cyclic number.

It is not a de Polignac number, because 10123535021051 - 2⁴² = 5725488509947 is a prime.

It is a super-2 number, since 2×10123535021051² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10123535021057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8721815 + ... + 9814128.

It is an arithmetic number, because the mean of its divisors is an integer number (673549865100).

Almost surely, 2^{10123535021051} is an apocalyptic number.

10123535021051 is a deficient number, since it is larger than the sum of its proper divisors (653262820549).

10123535021051 is a wasteful number, since it uses less digits than its factorization.

10123535021051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18536518.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 10123535021051 its reverse (15012053532101), we get a palindrome (25135588553152).

The spelling of 10123535021051 in words is "ten trillion, one hundred twenty-three billion, five hundred thirty-five million, twenty-one thousand, fifty-one".