111200101222212 has 72 divisors (see below), whose sum is σ = 297625310158176. Its totient is φ = 34886129289984.

The previous prime is 111200101222207. The next prime is 111200101222213. The reversal of 111200101222212 is 212222101002111.

111200101222212 is a `hidden beast` number, since 11 + 120 + 0 + 101 + 222 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (111200101222213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174495463 + ... + 175131569.

It is an arithmetic number, because the mean of its divisors is an integer number (4133684863308).

Almost surely, 2^{111200101222212} is an apocalyptic number.

111200101222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111200101222212 is an abundant number, since it is smaller than the sum of its proper divisors (186425208935964).

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

111200101222212 is a wasteful number, since it uses less digits than its factorization.

111200101222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921777 (or 921772 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111200101222212 its reverse (212222101002111), we get a palindrome (323422202224323).

The spelling of 111200101222212 in words is "one hundred eleven trillion, two hundred billion, one hundred one million, two hundred twenty-two thousand, two hundred twelve".