10202011123 has 16 divisors (see below), whose sum is σ = 11367936000. Its totient is φ = 9117995040.

The previous prime is 10202011109. The next prime is 10202011133. The reversal of 10202011123 is 32111020201.

It is a cyclic number.

It is not a de Polignac number, because 10202011123 - 2²⁹ = 9665140211 is a prime.

It is a super-2 number, since 2×10202011123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202011103) 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, 226023 + ... + 267376.

It is an arithmetic number, because the mean of its divisors is an integer number (710496000).

Almost surely, 2^10202011123 is an apocalyptic number.

10202011123 is a deficient number, since it is larger than the sum of its proper divisors (1165924877).

10202011123 is a wasteful number, since it uses less digits than its factorization.

10202011123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493482.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10202011123 its reverse (32111020201), we get a palindrome (42313031324).

The spelling of 10202011123 in words is "ten billion, two hundred two million, eleven thousand, one hundred twenty-three".