2112222211112 has 32 divisors (see below), whose sum is σ = 4287394298880. Its totient is φ = 969767739840.

The previous prime is 2112222211093. The next prime is 2112222211133. The reversal of 2112222211112 is 2111122222112.

It is a super-2 number, since 2×2112222211112² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53147228 + ... + 53186955.

It is an arithmetic number, because the mean of its divisors is an integer number (133981071840).

Almost surely, 2^{2112222211112} is an apocalyptic number.

It is an amenable number.

2112222211112 is an abundant number, since it is smaller than the sum of its proper divisors (2175172087768).

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

2112222211112 is a wasteful number, since it uses less digits than its factorization.

2112222211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106334393 (or 106334389 counting only the distinct ones).

The product of its digits is 128, while the sum is 20.

Adding to 2112222211112 its reverse (2111122222112), we get a palindrome (4223344433224).

The spelling of 2112222211112 in words is "two trillion, one hundred twelve billion, two hundred twenty-two million, two hundred eleven thousand, one hundred twelve".