22221112011010 has 48 divisors (see below), whose sum is σ = 44400040337016. Its totient is φ = 8000400320000.

The previous prime is 22221112010899. The next prime is 22221112011013. The reversal of 22221112011010 is 1011021112222.

It can be written as a sum of positive squares in 4 ways, for example, as 21209331518881 + 1011780492129 = 4605359^2 + 1005873^2 .

It is a super-2 number, since 2×22221112011010² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22221112011013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90791431 + ... + 91035850.

Almost surely, 2^{22221112011010} is an apocalyptic number.

22221112011010 is a deficient number, since it is larger than the sum of its proper divisors (22178928326006).

22221112011010 is a wasteful number, since it uses less digits than its factorization.

22221112011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181827411 (or 181827400 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22221112011010 its reverse (1011021112222), we get a palindrome (23232133123232).

It can be divided in two parts, 222211 and 12011010, that added together give a palindrome (12233221).

The spelling of 22221112011010 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twelve million, eleven thousand, ten".