22113222102 has 56 divisors (see below), whose sum is σ = 49908662184. Its totient is φ = 7344890784.

The previous prime is 22113222091. The next prime is 22113222119. The reversal of 22113222102 is 20122231122.

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

It is a congruent number.

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 385818 + ... + 439410.

Almost surely, 2^22113222102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22113222102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24954331092).

22113222102 is an abundant number, since it is smaller than the sum of its proper divisors (27795440082).

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

22113222102 is an equidigital number, since it uses as much as digits as its factorization.

22113222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53896 (or 53881 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22113222102 its reverse (20122231122), we get a palindrome (42235453224).

The spelling of 22113222102 in words is "twenty-two billion, one hundred thirteen million, two hundred twenty-two thousand, one hundred two".