102203111031123 has 32 divisors (see below), whose sum is σ = 136792035993600. Its totient is φ = 67875103034496.

The previous prime is 102203111031097. The next prime is 102203111031227. The reversal of 102203111031123 is 321130111302201.

It is a de Polignac number, because none of the positive numbers 2^k-102203111031123 is a prime.

It is a super-2 number, since 2×102203111031123² (a number of 29 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 102203111031123.

It is not an unprimeable number, because it can be changed into a prime (102203111031523) 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, 14276167818 + ... + 14276174976.

It is an arithmetic number, because the mean of its divisors is an integer number (4274751124800).

Almost surely, 2^{102203111031123} is an apocalyptic number.

102203111031123 is a deficient number, since it is larger than the sum of its proper divisors (34588924962477).

102203111031123 is a wasteful number, since it uses less digits than its factorization.

102203111031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15411.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 102203111031123 its reverse (321130111302201), we get a palindrome (423333222333324).

The spelling of 102203111031123 in words is "one hundred two trillion, two hundred three billion, one hundred eleven million, thirty-one thousand, one hundred twenty-three".