22111120210212 has 96 divisors (see below), whose sum is σ = 62537834903040. Its totient is φ = 6700196604960.

The previous prime is 22111120210177. The next prime is 22111120210217. The reversal of 22111120210212 is 21201202111122.

22111120210212 is a `hidden beast` number, since 2 + 211 + 11 + 20 + 210 + 212 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (22111120210217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64393003 + ... + 64735469.

It is an arithmetic number, because the mean of its divisors is an integer number (651435780240).

Almost surely, 2^{22111120210212} is an apocalyptic number.

22111120210212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22111120210212 is an abundant number, since it is smaller than the sum of its proper divisors (40426714692828).

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

22111120210212 is a wasteful number, since it uses less digits than its factorization.

22111120210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396838 (or 396830 counting only the distinct ones).

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

Adding to 22111120210212 its reverse (21201202111122), we get a palindrome (43312322321334).

The spelling of 22111120210212 in words is "twenty-two trillion, one hundred eleven billion, one hundred twenty million, two hundred ten thousand, two hundred twelve".