22121102212211 has 8 divisors (see below), whose sum is σ = 22139116339200. Its totient is φ = 22103089210440.

The previous prime is 22121102212193. The next prime is 22121102212249. The reversal of 22121102212211 is 11221220112122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22121102212211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121102202211) 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 7 ways as a sum of consecutive naturals, for example, 41583296 + ... + 42111906.

It is an arithmetic number, because the mean of its divisors is an integer number (2767389542400).

Almost surely, 2^{22121102212211} is an apocalyptic number.

22121102212211 is a deficient number, since it is larger than the sum of its proper divisors (18014126989).

22121102212211 is a wasteful number, since it uses less digits than its factorization.

22121102212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562609.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22121102212211 its reverse (11221220112122), we get a palindrome (33342322324333).

The spelling of 22121102212211 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred two million, two hundred twelve thousand, two hundred eleven".