2112212022112 has 24 divisors (see below), whose sum is σ = 4226588199792. Its totient is φ = 1038792796800.

The previous prime is 2112212022097. The next prime is 2112212022127. The reversal of 2112212022112 is 2112202122112.

It is an interprime number because it is at equal distance from previous prime (2112212022097) and next prime (2112212022127).

It is a super-2 number, since 2×2112212022112² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112212022112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541035964 + ... + 541039867.

It is an arithmetic number, because the mean of its divisors is an integer number (176107841658).

Almost surely, 2^{2112212022112} is an apocalyptic number.

It is an amenable number.

2112212022112 is an abundant number, since it is smaller than the sum of its proper divisors (2114376177680).

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

2112212022112 is a wasteful number, since it uses less digits than its factorization.

2112212022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082075902 (or 1082075894 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2112212022112 its reverse (2112202122112), we get a palindrome (4224414144224).

The spelling of 2112212022112 in words is "two trillion, one hundred twelve billion, two hundred twelve million, twenty-two thousand, one hundred twelve".