111101220221200 has 60 divisors (see below), whose sum is σ = 291186198100368. Its totient is φ = 40400443715200.

The previous prime is 111101220221183. The next prime is 111101220221213. The reversal of 111101220221200 is 2122022101111.

It is a super-2 number, since 2×111101220221200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 12625134262 + ... + 12625143061.

Almost surely, 2^{111101220221200} is an apocalyptic number.

111101220221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111101220221200 is an abundant number, since it is smaller than the sum of its proper divisors (180084977879168).

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

111101220221200 is a wasteful number, since it uses less digits than its factorization.

111101220221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25250277352 (or 25250277341 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111101220221200 its reverse (2122022101111), we get a palindrome (113223242322311).

The spelling of 111101220221200 in words is "one hundred eleven trillion, one hundred one billion, two hundred twenty million, two hundred twenty-one thousand, two hundred".