2222121101112 has 48 divisors (see below), whose sum is σ = 6565357801080. Its totient is φ = 673370030400.

The previous prime is 2222121101063. The next prime is 2222121101129. The reversal of 2222121101112 is 2111011212222.

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 11 ways as a sum of consecutive naturals, for example, 1402853439 + ... + 1402855022.

Almost surely, 2^{2222121101112} is an apocalyptic number.

2222121101112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2222121101112 is an abundant number, since it is smaller than the sum of its proper divisors (4343236699968).

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

2222121101112 is a wasteful number, since it uses less digits than its factorization.

2222121101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805708484 (or 2805708477 counting only the distinct ones).

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

Adding to 2222121101112 its reverse (2111011212222), we get a palindrome (4333132313334).

The spelling of 2222121101112 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred one thousand, one hundred twelve".