102121200111122 has 16 divisors (see below), whose sum is σ = 156860400292992. Its totient is φ = 49840225192560.

The previous prime is 102121200111101. The next prime is 102121200111127. The reversal of 102121200111122 is 221111002121201.

It is a self number, because there is not a number n which added to its sum of digits gives 102121200111122.

It is not an unprimeable number, because it can be changed into a prime (102121200111127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1456259504 + ... + 1456329627.

It is an arithmetic number, because the mean of its divisors is an integer number (9803775018312).

Almost surely, 2^{102121200111122} is an apocalyptic number.

102121200111122 is a deficient number, since it is larger than the sum of its proper divisors (54739200181870).

102121200111122 is a wasteful number, since it uses less digits than its factorization.

102121200111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912589553.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102121200111122 its reverse (221111002121201), we get a palindrome (323232202232323).

The spelling of 102121200111122 in words is "one hundred two trillion, one hundred twenty-one billion, two hundred million, one hundred eleven thousand, one hundred twenty-two".