102222102123 has 12 divisors (see below), whose sum is σ = 151255468728. Its totient is φ = 66485919840.

The previous prime is 102222102113. The next prime is 102222102167. The reversal of 102222102123 is 321201222201.

It is not a de Polignac number, because 102222102123 - 2⁵ = 102222102091 is a prime.

It is a super-2 number, since 2×102222102123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102222102096 and 102222102105.

It is not an unprimeable number, because it can be changed into a prime (102222102113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138511965 + ... + 138512702.

It is an arithmetic number, because the mean of its divisors is an integer number (12604622394).

Almost surely, 2^102222102123 is an apocalyptic number.

102222102123 is a deficient number, since it is larger than the sum of its proper divisors (49033366605).

102222102123 is a wasteful number, since it uses less digits than its factorization.

102222102123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277024714 (or 277024711 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102222102123 its reverse (321201222201), we get a palindrome (423423324324).

The spelling of 102222102123 in words is "one hundred two billion, two hundred twenty-two million, one hundred two thousand, one hundred twenty-three".