22111211212202 has 32 divisors (see below), whose sum is σ = 38418146553600. Its totient is φ = 9348415198848.

The previous prime is 22111211212171. The next prime is 22111211212217. The reversal of 22111211212202 is 20221211211122.

It is a super-2 number, since 2×22111211212202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19664573 + ... + 20758560.

It is an arithmetic number, because the mean of its divisors is an integer number (1200567079800).

Almost surely, 2^{22111211212202} is an apocalyptic number.

22111211212202 is a deficient number, since it is larger than the sum of its proper divisors (16306935341398).

22111211212202 is a wasteful number, since it uses less digits than its factorization.

22111211212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40423670.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22111211212202 its reverse (20221211211122), we get a palindrome (42332422423324).

The spelling of 22111211212202 in words is "twenty-two trillion, one hundred eleven billion, two hundred eleven million, two hundred twelve thousand, two hundred two".