22110212211012 has 60 divisors (see below), whose sum is σ = 57861114039036. Its totient is φ = 7362337086720.

The previous prime is 22110212210959. The next prime is 22110212211229. The reversal of 22110212211012 is 21011221201122.

22110212211012 is a `hidden beast` number, since 221 + 10 + 212 + 211 + 0 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16898561537796 + 5211650673216 = 4110786^2 + 2282904^2 .

It is a super-2 number, since 2×22110212211012² (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 19 ways as a sum of consecutive naturals, for example, 35494689 + ... + 36112232.

Almost surely, 2^{22110212211012} is an apocalyptic number.

It is an amenable number.

22110212211012 is an abundant number, since it is smaller than the sum of its proper divisors (35750901828024).

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

22110212211012 is a wasteful number, since it uses less digits than its factorization.

22110212211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71607890 (or 71607879 counting only the distinct ones).

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

Adding to 22110212211012 its reverse (21011221201122), we get a palindrome (43121433412134).

The spelling of 22110212211012 in words is "twenty-two trillion, one hundred ten billion, two hundred twelve million, two hundred eleven thousand, twelve".