22210111101204 has 60 divisors (see below), whose sum is σ = 62527895889844. Its totient is φ = 6833880337536.

The previous prime is 22210111101049. The next prime is 22210111101253. The reversal of 22210111101204 is 40210111101222.

It can be written as a sum of positive squares in 2 ways, for example, as 10322096691204 + 11888014410000 = 3212802^2 + 3447900^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2636523697 + ... + 2636532120.

Almost surely, 2^{22210111101204} is an apocalyptic number.

It is an amenable number.

22210111101204 is an abundant number, since it is smaller than the sum of its proper divisors (40317784788640).

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

22210111101204 is a wasteful number, since it uses less digits than its factorization.

22210111101204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5273055846 (or 5273055835 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22210111101204 its sum of digits (18), we get a palindrome (22210111101222).

Adding to 22210111101204 its reverse (40210111101222), we get a palindrome (62420222202426).

The spelling of 22210111101204 in words is "twenty-two trillion, two hundred ten billion, one hundred eleven million, one hundred one thousand, two hundred four".