100111212222200 has 96 divisors (see below), whose sum is σ = 249419529722160. Its totient is φ = 37234843392000.

The previous prime is 100111212222187. The next prime is 100111212222221. The reversal of 100111212222200 is 2222212111001.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

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, 177094151 + ... + 177658550.

Almost surely, 2^{100111212222200} is an apocalyptic number.

100111212222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100111212222200 is an abundant number, since it is smaller than the sum of its proper divisors (149308317499960).

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

100111212222200 is a wasteful number, since it uses less digits than its factorization.

100111212222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354752817 (or 354752808 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100111212222200 its reverse (2222212111001), we get a palindrome (102333424333201).

The spelling of 100111212222200 in words is "one hundred trillion, one hundred eleven billion, two hundred twelve million, two hundred twenty-two thousand, two hundred".