22112212201002 has 96 divisors (see below), whose sum is σ = 62875463339520. Its totient is φ = 5441145852960.

The previous prime is 22112212200959. The next prime is 22112212201049. The reversal of 22112212201002 is 20010221221122.

It is a happy number.

22112212201002 is a `hidden beast` number, since 2 + 211 + 221 + 220 + 10 + 0 + 2 = 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 47 ways as a sum of consecutive naturals, for example, 419815168 + ... + 419867835.

It is an arithmetic number, because the mean of its divisors is an integer number (654952743120).

Almost surely, 2^{22112212201002} is an apocalyptic number.

22112212201002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22112212201002 is an abundant number, since it is smaller than the sum of its proper divisors (40763251138518).

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

22112212201002 is a wasteful number, since it uses less digits than its factorization.

22112212201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839683048 (or 839683045 counting only the distinct ones).

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

Adding to 22112212201002 its reverse (20010221221122), we get a palindrome (42122433422124).

The spelling of 22112212201002 in words is "twenty-two trillion, one hundred twelve billion, two hundred twelve million, two hundred one thousand, two".