102122111123 has 16 divisors (see below), whose sum is σ = 103853213856. Its totient is φ = 100403896320.

The previous prime is 102122111089. The next prime is 102122111141. The reversal of 102122111123 is 321111221201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102122111123 - 2⁶ = 102122111059 is a prime.

It is a super-2 number, since 2×102122111123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102122111173) 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, 21851315 + ... + 21855987.

It is an arithmetic number, because the mean of its divisors is an integer number (6490825866).

Almost surely, 2^102122111123 is an apocalyptic number.

102122111123 is a deficient number, since it is larger than the sum of its proper divisors (1731102733).

102122111123 is an equidigital number, since it uses as much as digits as its factorization.

102122111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5974.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 102122111123 its reverse (321111221201), we get a palindrome (423233332324).

The spelling of 102122111123 in words is "one hundred two billion, one hundred twenty-two million, one hundred eleven thousand, one hundred twenty-three".