22221210010112 has 40 divisors (see below), whose sum is σ = 44404831597500. Its totient is φ = 11109150490624.

The previous prime is 22221210010091. The next prime is 22221210010117. The reversal of 22221210010112 is 21101001212222.

It can be written as a sum of positive squares in 2 ways, for example, as 19658085857536 + 2563124152576 = 4433744^2 + 1600976^2 .

It is a super-2 number, since 2×22221210010112² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22221210010117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1079264 + ... + 6753312.

Almost surely, 2^{22221210010112} is an apocalyptic number.

It is an amenable number.

22221210010112 is a deficient number, since it is larger than the sum of its proper divisors (22183621587388).

22221210010112 is an frugal number, since it uses more digits than its factorization.

22221210010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681716 (or 5681700 counting only the distinct ones).

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

Adding to 22221210010112 its reverse (21101001212222), we get a palindrome (43322211222334).

The spelling of 22221210010112 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred ten million, ten thousand, one hundred twelve".