22110122101212 has 48 divisors (see below), whose sum is σ = 57890088698400. Its totient is φ = 7297069996800.

The previous prime is 22110122101187. The next prime is 22110122101229. The reversal of 22110122101212 is 21210122101122.

22110122101212 is a `hidden beast` number, since 221 + 10 + 1 + 221 + 0 + 1 + 212 = 666.

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 15 ways as a sum of consecutive naturals, for example, 1013471037 + ... + 1013492852.

It is an arithmetic number, because the mean of its divisors is an integer number (1206043514550).

Almost surely, 2^{22110122101212} is an apocalyptic number.

It is an amenable number.

22110122101212 is an abundant number, since it is smaller than the sum of its proper divisors (35779966597188).

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

22110122101212 is a wasteful number, since it uses less digits than its factorization.

22110122101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026964003 (or 2026963995 counting only the distinct ones).

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

Adding to 22110122101212 its reverse (21210122101122), we get a palindrome (43320244202334).

The spelling of 22110122101212 in words is "twenty-two trillion, one hundred ten billion, one hundred twenty-two million, one hundred one thousand, two hundred twelve".