22220112102 has 32 divisors (see below), whose sum is σ = 45062172288. Its totient is φ = 7303389696.

The previous prime is 22220112091. The next prime is 22220112143. The reversal of 22220112102 is 20121102222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217798 + ... + 303110.

It is an arithmetic number, because the mean of its divisors is an integer number (1408192884).

Almost surely, 2^22220112102 is an apocalyptic number.

22220112102 is an abundant number, since it is smaller than the sum of its proper divisors (22842060186).

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

22220112102 is a wasteful number, since it uses less digits than its factorization.

22220112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85924.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22220112102 its reverse (20121102222), we get a palindrome (42341214324).

The spelling of 22220112102 in words is "twenty-two billion, two hundred twenty million, one hundred twelve thousand, one hundred two".