22120120002 has 16 divisors (see below), whose sum is σ = 45319270752. Its totient is φ = 7193534880.

The previous prime is 22120119977. The next prime is 22120120003. The reversal of 22120120002 is 20002102122.

It is a self number, because there is not a number n which added to its sum of digits gives 22120120002.

It is not an unprimeable number, because it can be changed into a prime (22120120003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44959348 + ... + 44959839.

It is an arithmetic number, because the mean of its divisors is an integer number (2832454422).

Almost surely, 2^22120120002 is an apocalyptic number.

22120120002 is an abundant number, since it is smaller than the sum of its proper divisors (23199150750).

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

22120120002 is a wasteful number, since it uses less digits than its factorization.

22120120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89919233.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22120120002 its reverse (20002102122), we get a palindrome (42122222124).

The spelling of 22120120002 in words is "twenty-two billion, one hundred twenty million, one hundred twenty thousand, two".