2221222001112 has 48 divisors (see below), whose sum is σ = 6015945897000. Its totient is φ = 740390557056.

The previous prime is 2221222001069. The next prime is 2221222001137. The reversal of 2221222001112 is 2111002221222.

It is a happy number.

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, 3082564 + ... + 3734252.

Almost surely, 2^{2221222001112} is an apocalyptic number.

It is an amenable number.

2221222001112 is an abundant number, since it is smaller than the sum of its proper divisors (3794723895888).

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

2221222001112 is a wasteful number, since it uses less digits than its factorization.

2221222001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699040 (or 699033 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2221222001112 its reverse (2111002221222), we get a palindrome (4332224222334).

The spelling of 2221222001112 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, one thousand, one hundred twelve".