22120200021210 has 32 divisors (see below), whose sum is σ = 53129411894592. Its totient is φ = 5894172023040.

The previous prime is 22120200021209. The next prime is 22120200021239. The reversal of 22120200021210 is 1212000202122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22120200021210.

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 15 ways as a sum of consecutive naturals, for example, 284209356 + ... + 284287175.

It is an arithmetic number, because the mean of its divisors is an integer number (1660294121706).

Almost surely, 2^{22120200021210} is an apocalyptic number.

22120200021210 is an abundant number, since it is smaller than the sum of its proper divisors (31009211873382).

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

22120200021210 is a wasteful number, since it uses less digits than its factorization.

22120200021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568497838.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22120200021210 its reverse (1212000202122), we get a palindrome (23332200223332).

The spelling of 22120200021210 in words is "twenty-two trillion, one hundred twenty billion, two hundred million, twenty-one thousand, two hundred ten".