2222111021112 has 96 divisors (see below), whose sum is σ = 6238000454400. Its totient is φ = 714123888192.

The previous prime is 2222111021083. The next prime is 2222111021149. The reversal of 2222111021112 is 2111201112222.

2222111021112 is a `hidden beast` number, since 222 + 211 + 10 + 211 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4673662 + ... + 5127117.

It is an arithmetic number, because the mean of its divisors is an integer number (64979171400).

Almost surely, 2^{2222111021112} is an apocalyptic number.

It is an amenable number.

2222111021112 is an abundant number, since it is smaller than the sum of its proper divisors (4015889433288).

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

2222111021112 is a wasteful number, since it uses less digits than its factorization.

2222111021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9800905 (or 9800898 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2222111021112 its reverse (2111201112222), we get a palindrome (4333312133334).

The spelling of 2222111021112 in words is "two trillion, two hundred twenty-two billion, one hundred eleven million, twenty-one thousand, one hundred twelve".