111200021220212 has 24 divisors (see below), whose sum is σ = 207198199272960. Its totient is φ = 52037078606720.

The previous prime is 111200021220193. The next prime is 111200021220251. The reversal of 111200021220212 is 212022120002111.

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 7 ways as a sum of consecutive naturals, for example, 4567849364 + ... + 4567873707.

It is an arithmetic number, because the mean of its divisors is an integer number (8633258303040).

Almost surely, 2^{111200021220212} is an apocalyptic number.

It is an amenable number.

111200021220212 is a deficient number, since it is larger than the sum of its proper divisors (95998178052748).

111200021220212 is a wasteful number, since it uses less digits than its factorization.

111200021220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9135723271 (or 9135723269 counting only the distinct ones).

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

Adding to 111200021220212 its reverse (212022120002111), we get a palindrome (323222141222323).

The spelling of 111200021220212 in words is "one hundred eleven trillion, two hundred billion, twenty-one million, two hundred twenty thousand, two hundred twelve".