102021320331102 has 16 divisors (see below), whose sum is σ = 204045207190272. Its totient is φ = 34006679022360.

The previous prime is 102021320331079. The next prime is 102021320331103. The reversal of 102021320331102 is 201133023120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021320331103) 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, 106421718 + ... + 107376089.

It is an arithmetic number, because the mean of its divisors is an integer number (12752825449392).

Almost surely, 2^{102021320331102} is an apocalyptic number.

102021320331102 is an abundant number, since it is smaller than the sum of its proper divisors (102023886859170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102021320331102 is a wasteful number, since it uses less digits than its factorization.

102021320331102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213877343.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 102021320331102 its reverse (201133023120201), we get a palindrome (303154343451303).

The spelling of 102021320331102 in words is "one hundred two trillion, twenty-one billion, three hundred twenty million, three hundred thirty-one thousand, one hundred two".