2112200221120 has 112 divisors (see below), whose sum is σ = 5537259842400. Its totient is φ = 761026129920.

The previous prime is 2112200221111. The next prime is 2112200221199. The reversal of 2112200221120 is 211220022112.

It is a happy number.

It is a super-2 number, since 2×2112200221120² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2112200221094 and 2112200221103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2368875 + ... + 3136234.

Almost surely, 2^{2112200221120} is an apocalyptic number.

2112200221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112200221120 is an abundant number, since it is smaller than the sum of its proper divisors (3425059621280).

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

2112200221120 is a wasteful number, since it uses less digits than its factorization.

2112200221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505246 (or 5505236 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2112200221120 its reverse (211220022112), we get a palindrome (2323420243232).

The spelling of 2112200221120 in words is "two trillion, one hundred twelve billion, two hundred million, two hundred twenty-one thousand, one hundred twenty".