2112112122444 has 36 divisors (see below), whose sum is σ = 5365779000400. Its totient is φ = 700499495520.

The previous prime is 2112112122383. The next prime is 2112112122457. The reversal of 2112112122444 is 4442212112112.

2112112122444 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 1 + 1 + 212 + 2 + 444 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2112112122444² (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 11 ways as a sum of consecutive naturals, for example, 147404347 + ... + 147418674.

Almost surely, 2^{2112112122444} is an apocalyptic number.

It is an amenable number.

2112112122444 is an abundant number, since it is smaller than the sum of its proper divisors (3253666877956).

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

2112112122444 is a wasteful number, since it uses less digits than its factorization.

2112112122444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294823230 (or 294823225 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

Adding to 2112112122444 its reverse (4442212112112), we get a palindrome (6554324234556).

The spelling of 2112112122444 in words is "two trillion, one hundred twelve billion, one hundred twelve million, one hundred twenty-two thousand, four hundred forty-four".