22100122011222 has 96 divisors (see below), whose sum is σ = 49816387378368. Its totient is φ = 7076665709568.

The previous prime is 22100122011197. The next prime is 22100122011251. The reversal of 22100122011222 is 22211022100122.

It is a happy number.

22100122011222 is a `hidden beast` number, since 2 + 210 + 0 + 1 + 220 + 11 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 22100122011195 and 22100122011204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8382783 + ... + 10699125.

It is an arithmetic number, because the mean of its divisors is an integer number (518920701858).

Almost surely, 2^{22100122011222} is an apocalyptic number.

22100122011222 is an abundant number, since it is smaller than the sum of its proper divisors (27716265367146).

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

22100122011222 is a wasteful number, since it uses less digits than its factorization.

22100122011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316614 (or 2316611 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22100122011222 its reverse (22211022100122), we get a palindrome (44311144111344).

The spelling of 22100122011222 in words is "twenty-two trillion, one hundred billion, one hundred twenty-two million, eleven thousand, two hundred twenty-two".