22112012222010 has 192 divisors, whose sum is σ = 59992703447040. Its totient is φ = 5859830329920.

The previous prime is 22112012221991. The next prime is 22112012222021. The reversal of 22112012222010 is 1022221021122.

It is a happy number.

22112012222010 is a `hidden beast` number, since 2 + 211 + 201 + 22 + 220 + 10 = 666.

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 95 ways as a sum of consecutive naturals, for example, 285119299 + ... + 285196841.

It is an arithmetic number, because the mean of its divisors is an integer number (312461997120).

Almost surely, 2^{22112012222010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22112012222010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29996351723520).

22112012222010 is an abundant number, since it is smaller than the sum of its proper divisors (37880691225030).

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

22112012222010 is a wasteful number, since it uses less digits than its factorization.

22112012222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78295 (or 78283 counting only the distinct ones).

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

Adding to 22112012222010 its reverse (1022221021122), we get a palindrome (23134233243132).

The spelling of 22112012222010 in words is "twenty-two trillion, one hundred twelve billion, twelve million, two hundred twenty-two thousand, ten".