22120021102 has 16 divisors (see below), whose sum is σ = 33299481600. Its totient is φ = 11020219128.

The previous prime is 22120021073. The next prime is 22120021169. The reversal of 22120021102 is 20112002122.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 2942833 + ... + 2950339.

It is an arithmetic number, because the mean of its divisors is an integer number (2081217600).

Almost surely, 2^22120021102 is an apocalyptic number.

22120021102 is a deficient number, since it is larger than the sum of its proper divisors (11179460498).

22120021102 is a wasteful number, since it uses less digits than its factorization.

22120021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12615.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22120021102 its reverse (20112002122), we get a palindrome (42232023224).

The spelling of 22120021102 in words is "twenty-two billion, one hundred twenty million, twenty-one thousand, one hundred two".