102121331102 has 96 divisors (see below), whose sum is σ = 190848213504. Its totient is φ = 40771684800.

The previous prime is 102121331101. The next prime is 102121331153. The reversal of 102121331102 is 201133121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121331101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14158277 + ... + 14165487.

It is an arithmetic number, because the mean of its divisors is an integer number (1988002224).

Almost surely, 2^102121331102 is an apocalyptic number.

102121331102 is a deficient number, since it is larger than the sum of its proper divisors (88726882402).

102121331102 is a wasteful number, since it uses less digits than its factorization.

102121331102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7414 (or 7407 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 102121331102 its reverse (201133121201), we get a palindrome (303254452303).

The spelling of 102121331102 in words is "one hundred two billion, one hundred twenty-one million, three hundred thirty-one thousand, one hundred two".