102220100202100 has 72 divisors (see below), whose sum is σ = 231491014126848. Its totient is φ = 39105373296000.

The previous prime is 102220100202089. The next prime is 102220100202113. The reversal of 102220100202100 is 1202001022201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15492462 + ... + 21082138.

It is an arithmetic number, because the mean of its divisors is an integer number (3215152973984).

Almost surely, 2^{102220100202100} is an apocalyptic number.

102220100202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102220100202100 is an abundant number, since it is smaller than the sum of its proper divisors (129270913924748).

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

102220100202100 is a wasteful number, since it uses less digits than its factorization.

102220100202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5597665 (or 5597658 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102220100202100 its reverse (1202001022201), we get a palindrome (103422101224301).

The spelling of 102220100202100 in words is "one hundred two trillion, two hundred twenty billion, one hundred million, two hundred two thousand, one hundred".