102122201221100 has 18 divisors (see below), whose sum is σ = 221605176650004. Its totient is φ = 40848880488400.

The previous prime is 102122201221013. The next prime is 102122201221127. The reversal of 102122201221100 is 1122102221201.

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, 510611006006 + ... + 510611006205.

It is an arithmetic number, because the mean of its divisors is an integer number (12311398702778).

Almost surely, 2^{102122201221100} is an apocalyptic number.

102122201221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102122201221100 is an abundant number, since it is smaller than the sum of its proper divisors (119482975428904).

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

102122201221100 is a wasteful number, since it uses less digits than its factorization.

102122201221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021222012225 (or 1021222012218 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102122201221100 its reverse (1122102221201), we get a palindrome (103244303442301).

The spelling of 102122201221100 in words is "one hundred two trillion, one hundred twenty-two billion, two hundred one million, two hundred twenty-one thousand, one hundred".