22122222100112 has 10 divisors (see below), whose sum is σ = 42861805318998. Its totient is φ = 11061111050048.

The previous prime is 22122222100049. The next prime is 22122222100129. The reversal of 22122222100112 is 21100122222122.

It can be written as a sum of positive squares in only one way, i.e., 12183562326016 + 9938659774096 = 3490496^2 + 3152564^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691319440613 + ... + 691319440644.

Almost surely, 2^{22122222100112} is an apocalyptic number.

It is an amenable number.

22122222100112 is a deficient number, since it is larger than the sum of its proper divisors (20739583218886).

22122222100112 is a wasteful number, since it uses less digits than its factorization.

22122222100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382638881265 (or 1382638881259 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22122222100112 its reverse (21100122222122), we get a palindrome (43222344322234).

The spelling of 22122222100112 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred thousand, one hundred twelve".