22122211012001 has 4 divisors (see below), whose sum is σ = 22122269382912. Its totient is φ = 22122152641092.

The previous prime is 22122211011991. The next prime is 22122211012009. The reversal of 22122211012001 is 10021011222122.

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 22122211012001 - 2¹⁸ = 22122210749857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122211012009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28613225 + ... + 29376198.

It is an arithmetic number, because the mean of its divisors is an integer number (5530567345728).

Almost surely, 2^{22122211012001} is an apocalyptic number.

It is an amenable number.

22122211012001 is a deficient number, since it is larger than the sum of its proper divisors (58370911).

22122211012001 is an equidigital number, since it uses as much as digits as its factorization.

22122211012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58370910.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22122211012001 its reverse (10021011222122), we get a palindrome (32143222234123).

The spelling of 22122211012001 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred eleven million, twelve thousand, one".