22112212222201 has 4 divisors (see below), whose sum is σ = 22137254366032. Its totient is φ = 22087170078372.

The previous prime is 22112212222189. The next prime is 22112212222211. The reversal of 22112212222201 is 10222221221122.

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 not a de Polignac number, because 22112212222201 - 2¹⁵ = 22112212189433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22112212222211) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12521070591 + ... + 12521072356.

It is an arithmetic number, because the mean of its divisors is an integer number (5534313591508).

Almost surely, 2^{22112212222201} is an apocalyptic number.

It is an amenable number.

22112212222201 is a deficient number, since it is larger than the sum of its proper divisors (25042143831).

22112212222201 is an equidigital number, since it uses as much as digits as its factorization.

22112212222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25042143830.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22112212222201 its reverse (10222221221122), we get a palindrome (32334433443323).

The spelling of 22112212222201 in words is "twenty-two trillion, one hundred twelve billion, two hundred twelve million, two hundred twenty-two thousand, two hundred one".