102121111220102 has 32 divisors (see below), whose sum is σ = 166061161237440. Its totient is φ = 46819609372800.

The previous prime is 102121111220101. The next prime is 102121111220111. The reversal of 102121111220102 is 201022111121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121111220101) 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, 185774768 + ... + 186323660.

It is an arithmetic number, because the mean of its divisors is an integer number (5189411288670).

Almost surely, 2^{102121111220102} is an apocalyptic number.

102121111220102 is a deficient number, since it is larger than the sum of its proper divisors (63940050017338).

102121111220102 is a wasteful number, since it uses less digits than its factorization.

102121111220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596448.

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

Adding to 102121111220102 its reverse (201022111121201), we get a palindrome (303143222341303).

The spelling of 102121111220102 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred eleven million, two hundred twenty thousand, one hundred two".