22153513211 has 4 divisors (see below), whose sum is σ = 22153954872. Its totient is φ = 22153071552.

The previous prime is 22153513189. The next prime is 22153513241. The reversal of 22153513211 is 11231535122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22153513211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22153513241) 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, 134285 + ... + 249678.

It is an arithmetic number, because the mean of its divisors is an integer number (5538488718).

Almost surely, 2^22153513211 is an apocalyptic number.

22153513211 is a deficient number, since it is larger than the sum of its proper divisors (441661).

22153513211 is an equidigital number, since it uses as much as digits as its factorization.

22153513211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441660.

The product of its digits is 1800, while the sum is 26.

The spelling of 22153513211 in words is "twenty-two billion, one hundred fifty-three million, five hundred thirteen thousand, two hundred eleven".