22221100100112 has 80 divisors (see below), whose sum is σ = 59346419478912. Its totient is φ = 7159115750400.

The previous prime is 22221100100041. The next prime is 22221100100113. The reversal of 22221100100112 is 21100100112222.

It is a junction number, because it is equal to n+sod(n) for n = 22221100100091 and 22221100100100.

It is not an unprimeable number, because it can be changed into a prime (22221100100113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41161893 + ... + 41698244.

Almost surely, 2^{22221100100112} is an apocalyptic number.

It is an amenable number.

22221100100112 is an abundant number, since it is smaller than the sum of its proper divisors (37125319378800).

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

22221100100112 is a wasteful number, since it uses less digits than its factorization.

22221100100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82860336 (or 82860330 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22221100100112 its reverse (21100100112222), we get a palindrome (43321200212334).

It can be divided in two parts, 222 and 21100100112, that multiplied together give a palindrome (4684222224864).

The spelling of 22221100100112 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred million, one hundred thousand, one hundred twelve".