2111031022123 has 16 divisors (see below), whose sum is σ = 2264486634720. Its totient is φ = 1960966514176.

The previous prime is 2111031022099. The next prime is 2111031022129. The reversal of 2111031022123 is 3212201301112.

It is a cyclic number.

It is not a de Polignac number, because 2111031022123 - 2²⁹ = 2110494151211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2111031022123.

It is not an unprimeable number, because it can be changed into a prime (2111031022129) 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, 1667836 + ... + 2646457.

It is an arithmetic number, because the mean of its divisors is an integer number (141530414670).

Almost surely, 2^{2111031022123} is an apocalyptic number.

2111031022123 is a deficient number, since it is larger than the sum of its proper divisors (153455612597).

2111031022123 is a wasteful number, since it uses less digits than its factorization.

2111031022123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314686.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2111031022123 its reverse (3212201301112), we get a palindrome (5323232323235).

The spelling of 2111031022123 in words is "two trillion, one hundred eleven billion, thirty-one million, twenty-two thousand, one hundred twenty-three".