2112222099904 has 112 divisors (see below), whose sum is σ = 4885353907200. Its totient is φ = 887292896256.

The previous prime is 2112222099881. The next prime is 2112222099917. The reversal of 2112222099904 is 4099902222112.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×2112222099904² (a number of 25 digits) contains 22 as substring.

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, 24627207 + ... + 24712825.

Almost surely, 2^{2112222099904} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112222099904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2442676953600).

2112222099904 is an abundant number, since it is smaller than the sum of its proper divisors (2773131807296).

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

2112222099904 is a wasteful number, since it uses less digits than its factorization.

2112222099904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86730 (or 86720 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 2112222099904 in words is "two trillion, one hundred twelve billion, two hundred twenty-two million, ninety-nine thousand, nine hundred four".