2112210221120 has 56 divisors (see below), whose sum is σ = 5124600641304. Its totient is φ = 828942872576.

The previous prime is 2112210221041. The next prime is 2112210221129. The reversal of 2112210221120 is 211220122112.

It can be written as a sum of positive squares in 4 ways, for example, as 271499355136 + 1840710865984 = 521056^2 + 1356728^2 .

It is a super-2 number, since 2×2112210221120² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112210221129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62253389 + ... + 62287308.

Almost surely, 2^{2112210221120} is an apocalyptic number.

2112210221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112210221120 is an abundant number, since it is smaller than the sum of its proper divisors (3012390420184).

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

2112210221120 is a wasteful number, since it uses less digits than its factorization.

2112210221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124540767 (or 124540757 counting only the distinct ones).

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

Adding to 2112210221120 its reverse (211220122112), we get a palindrome (2323430343232).

The spelling of 2112210221120 in words is "two trillion, one hundred twelve billion, two hundred ten million, two hundred twenty-one thousand, one hundred twenty".