22021113132211 has 4 divisors (see below), whose sum is σ = 22021221337272. Its totient is φ = 22021004927152.

The previous prime is 22021113132209. The next prime is 22021113132253. The reversal of 22021113132211 is 11223131112022.

It is a happy number.

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 22021113132211 - 2¹ = 22021113132209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021113132611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53796685 + ... + 54204478.

It is an arithmetic number, because the mean of its divisors is an integer number (5505305334318).

Almost surely, 2^{22021113132211} is an apocalyptic number.

22021113132211 is a deficient number, since it is larger than the sum of its proper divisors (108205061).

22021113132211 is a wasteful number, since it uses less digits than its factorization.

22021113132211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108205060.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 22021113132211 its reverse (11223131112022), we get a palindrome (33244244244233).

The spelling of 22021113132211 in words is "twenty-two trillion, twenty-one billion, one hundred thirteen million, one hundred thirty-two thousand, two hundred eleven".