22112220011202 has 32 divisors (see below), whose sum is σ = 49180518135360. Its totient is φ = 7364402287200.

The previous prime is 22112220011113. The next prime is 22112220011207. The reversal of 22112220011202 is 20211002221122.

It is a happy number.

22112220011202 is a `hidden beast` number, since 221 + 12 + 220 + 0 + 11 + 202 = 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 (22112220011207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175984299 + ... + 176109902.

It is an arithmetic number, because the mean of its divisors is an integer number (1536891191730).

Almost surely, 2^{22112220011202} is an apocalyptic number.

22112220011202 is an abundant number, since it is smaller than the sum of its proper divisors (27068298124158).

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

22112220011202 is a wasteful number, since it uses less digits than its factorization.

22112220011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352095375 (or 352095369 counting only the distinct ones).

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

Adding to 22112220011202 its reverse (20211002221122), we get a palindrome (42323222232324).

The spelling of 22112220011202 in words is "twenty-two trillion, one hundred twelve billion, two hundred twenty million, eleven thousand, two hundred two".