102201111020100 has 72 divisors (see below), whose sum is σ = 295757584053120. Its totient is φ = 27248495703680.

The previous prime is 102201111020083. The next prime is 102201111020111. The reversal of 102201111020100 is 1020111102201.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 30491532 + ... + 33676931.

It is an arithmetic number, because the mean of its divisors is an integer number (4107744222960).

Almost surely, 2^{102201111020100} is an apocalyptic number.

102201111020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102201111020100 is an abundant number, since it is smaller than the sum of its proper divisors (193556473033020).

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

102201111020100 is a wasteful number, since it uses less digits than its factorization.

102201111020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64173789 (or 64173782 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102201111020100 its reverse (1020111102201), we get a palindrome (103221222122301).

The spelling of 102201111020100 in words is "one hundred two trillion, two hundred one billion, one hundred eleven million, twenty thousand, one hundred".