102201111100 has 36 divisors (see below), whose sum is σ = 241937905608. Its totient is φ = 37164040000.

The previous prime is 102201111059. The next prime is 102201111113. The reversal of 102201111100 is 1111102201.

It is a super-2 number, since 2×102201111100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46453951 + ... + 46456150.

It is an arithmetic number, because the mean of its divisors is an integer number (6720497378).

Almost surely, 2^102201111100 is an apocalyptic number.

102201111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102201111100 is an abundant number, since it is smaller than the sum of its proper divisors (139736794508).

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

102201111100 is a wasteful number, since it uses less digits than its factorization.

102201111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92910126 (or 92910119 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 102201111100 its reverse (1111102201), we get a palindrome (103312213301).

The spelling of 102201111100 in words is "one hundred two billion, two hundred one million, one hundred eleven thousand, one hundred".