22011211102212 has 72 divisors (see below), whose sum is σ = 57057973548576. Its totient is φ = 7150759104384.

The previous prime is 22011211102171. The next prime is 22011211102229. The reversal of 22011211102212 is 21220111211022.

22011211102212 is a `hidden beast` number, since 220 + 1 + 1 + 211 + 10 + 221 + 2 = 666.

It is a super-2 number, since 2×22011211102212² (a number of 27 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14849598 + ... + 16264469.

Almost surely, 2^{22011211102212} is an apocalyptic number.

It is an amenable number.

22011211102212 is an abundant number, since it is smaller than the sum of its proper divisors (35046762446364).

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

22011211102212 is a wasteful number, since it uses less digits than its factorization.

22011211102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31114577 (or 31114572 counting only the distinct ones).

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

Adding to 22011211102212 its reverse (21220111211022), we get a palindrome (43231322313234).

The spelling of 22011211102212 in words is "twenty-two trillion, eleven billion, two hundred eleven million, one hundred two thousand, two hundred twelve".