22102211012 has 24 divisors (see below), whose sum is σ = 44224031040. Its totient is φ = 9468174240.

The previous prime is 22102211011. The next prime is 22102211041. The reversal of 22102211012 is 21011220122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (22102211011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110414 + ... + 237477.

It is an arithmetic number, because the mean of its divisors is an integer number (1842667960).

Almost surely, 2^22102211012 is an apocalyptic number.

It is an amenable number.

22102211012 is an abundant number, since it is smaller than the sum of its proper divisors (22121820028).

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

22102211012 is a wasteful number, since it uses less digits than its factorization.

22102211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350171 (or 350169 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22102211012 its reverse (21011220122), we get a palindrome (43113431134).

The spelling of 22102211012 in words is "twenty-two billion, one hundred two million, two hundred eleven thousand, twelve".