201112221210120 has 160 divisors (see below), whose sum is σ = 737411477901120. Its totient is φ = 48754477860480.

The previous prime is 201112221210059. The next prime is 201112221210139. The reversal of 201112221210120 is 21012122211102.

201112221210120 is a `hidden beast` number, since 2 + 0 + 1 + 112 + 221 + 210 + 120 = 666.

It is a super-2 number, since 2×201112221210120² (a number of 29 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 201112221210093 and 201112221210102.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2821404052 + ... + 2821475331.

It is an arithmetic number, because the mean of its divisors is an integer number (4608821736882).

Almost surely, 2^{201112221210120} is an apocalyptic number.

201112221210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201112221210120 is an abundant number, since it is smaller than the sum of its proper divisors (536299256691000).

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

201112221210120 is a wasteful number, since it uses less digits than its factorization.

201112221210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5642879417 (or 5642879404 counting only the distinct ones).

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

Adding to 201112221210120 its reverse (21012122211102), we get a palindrome (222124343421222).

The spelling of 201112221210120 in words is "two hundred one trillion, one hundred twelve billion, two hundred twenty-one million, two hundred ten thousand, one hundred twenty".