22120100002 has 32 divisors (see below), whose sum is σ = 44549576064. Its totient is φ = 7955280000.

The previous prime is 22120099999. The next prime is 22120100011. The reversal of 22120100002 is 20000102122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5522499 + ... + 5526502.

It is an arithmetic number, because the mean of its divisors is an integer number (1392174252).

Almost surely, 2^22120100002 is an apocalyptic number.

22120100002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22120100002 is an abundant number, since it is smaller than the sum of its proper divisors (22429476062).

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

22120100002 is a wasteful number, since it uses less digits than its factorization.

22120100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11049034.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22120100002 its reverse (20000102122), we get a palindrome (42120202124).

The spelling of 22120100002 in words is "twenty-two billion, one hundred twenty million, one hundred thousand, two".