102011002021100 has 18 divisors (see below), whose sum is σ = 221363874386004. Its totient is φ = 40804400808400.

The previous prime is 102011002021031. The next prime is 102011002021127. The reversal of 102011002021100 is 1120200110201.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 510055010006 + ... + 510055010205.

Almost surely, 2^{102011002021100} is an apocalyptic number.

102011002021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102011002021100 is an abundant number, since it is smaller than the sum of its proper divisors (119352872364904).

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

102011002021100 is a wasteful number, since it uses less digits than its factorization.

102011002021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020110020225 (or 1020110020218 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102011002021100 its reverse (1120200110201), we get a palindrome (103131202131301).

The spelling of 102011002021100 in words is "one hundred two trillion, eleven billion, two million, twenty-one thousand, one hundred".