22212200020001 has 4 divisors (see below), whose sum is σ = 22220393383104. Its totient is φ = 22204006656900.

The previous prime is 22212200019991. The next prime is 22212200020007. The reversal of 22212200020001 is 10002000221222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212200020001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22212200020007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4096677485 + ... + 4096682906.

It is an arithmetic number, because the mean of its divisors is an integer number (5555098345776).

Almost surely, 2^{22212200020001} is an apocalyptic number.

It is an amenable number.

22212200020001 is a deficient number, since it is larger than the sum of its proper divisors (8193363103).

22212200020001 is an equidigital number, since it uses as much as digits as its factorization.

22212200020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8193363102.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22212200020001 its reverse (10002000221222), we get a palindrome (32214200241223).

The spelling of 22212200020001 in words is "twenty-two trillion, two hundred twelve billion, two hundred million, twenty thousand, one".