102100000220100 has 108 divisors (see below), whose sum is σ = 324803297741104. Its totient is φ = 26820298549440.

The previous prime is 102100000220093. The next prime is 102100000220111. The reversal of 102100000220100 is 1022000001201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 846540034 + ... + 846660633.

Almost surely, 2^{102100000220100} is an apocalyptic number.

102100000220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102100000220100 is an abundant number, since it is smaller than the sum of its proper divisors (222703297521004).

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

102100000220100 is a wasteful number, since it uses less digits than its factorization.

102100000220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693200754 (or 1693200744 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 102100000220100 its reverse (1022000001201), we get a palindrome (103122000221301).

The spelling of 102100000220100 in words is "one hundred two trillion, one hundred billion, two hundred twenty thousand, one hundred".