22210022212211 has 4 divisors (see below), whose sum is σ = 22247100714000. Its totient is φ = 22172943710424.

The previous prime is 22210022212207. The next prime is 22210022212219. The reversal of 22210022212211 is 11221222001222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22210022212211 - 2² = 22210022212207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22210022212219) 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, 18539249996 + ... + 18539251193.

It is an arithmetic number, because the mean of its divisors is an integer number (5561775178500).

Almost surely, 2^{22210022212211} is an apocalyptic number.

22210022212211 is a deficient number, since it is larger than the sum of its proper divisors (37078501789).

22210022212211 is an equidigital number, since it uses as much as digits as its factorization.

22210022212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37078501788.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22210022212211 its reverse (11221222001222), we get a palindrome (33431244213433).

The spelling of 22210022212211 in words is "twenty-two trillion, two hundred ten billion, twenty-two million, two hundred twelve thousand, two hundred eleven".