2221212100112 has 40 divisors (see below), whose sum is σ = 4344049677312. Its totient is φ = 1100193494400.

The previous prime is 2221212100109. The next prime is 2221212100139. The reversal of 2221212100112 is 2110012121222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516287 + ... + 2170017.

Almost surely, 2^{2221212100112} is an apocalyptic number.

It is an amenable number.

2221212100112 is a deficient number, since it is larger than the sum of its proper divisors (2122837577200).

2221212100112 is a wasteful number, since it uses less digits than its factorization.

2221212100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654527 (or 1654521 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2221212100112 its reverse (2110012121222), we get a palindrome (4331224221334).

The spelling of 2221212100112 in words is "two trillion, two hundred twenty-one billion, two hundred twelve million, one hundred thousand, one hundred twelve".