102220201220100 has 72 divisors (see below), whose sum is σ = 302049820157568. Its totient is φ = 26678747548800.

The previous prime is 102220201220057. The next prime is 102220201220191. The reversal of 102220201220100 is 1022102022201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102220201220100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3624815731 + ... + 3624843930.

Almost surely, 2^{102220201220100} is an apocalyptic number.

102220201220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102220201220100 is an abundant number, since it is smaller than the sum of its proper divisors (199829618937468).

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

102220201220100 is a wasteful number, since it uses less digits than its factorization.

102220201220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7249659725 (or 7249659718 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102220201220100 its reverse (1022102022201), we get a palindrome (103242303242301).

The spelling of 102220201220100 in words is "one hundred two trillion, two hundred twenty billion, two hundred one million, two hundred twenty thousand, one hundred".