22220112111102 has 20 divisors (see below), whose sum is σ = 49789510471536. Its totient is φ = 7406704036980.

The previous prime is 22220112111031. The next prime is 22220112111107. The reversal of 22220112111102 is 20111121102222.

It is a super-3 number, since 3×22220112111102³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220112111107) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68580592774 + ... + 68580593097.

Almost surely, 2^{22220112111102} is an apocalyptic number.

22220112111102 is an abundant number, since it is smaller than the sum of its proper divisors (27569398360434).

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

22220112111102 is a wasteful number, since it uses less digits than its factorization.

22220112111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137161185885 (or 137161185876 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22220112111102 its reverse (20111121102222), we get a palindrome (42331233213324).

The spelling of 22220112111102 in words is "twenty-two trillion, two hundred twenty billion, one hundred twelve million, one hundred eleven thousand, one hundred two".