22013531011 has 4 divisors (see below), whose sum is σ = 22013979624. Its totient is φ = 22013082400.

The previous prime is 22013530997. The next prime is 22013531021. The reversal of 22013531011 is 11013531022.

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 22013531011 - 2⁷ = 22013530883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22013531011.

It is not an unprimeable number, because it can be changed into a prime (22013531021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140185 + ... + 252346.

It is an arithmetic number, because the mean of its divisors is an integer number (5503494906).

Almost surely, 2^22013531011 is an apocalyptic number.

22013531011 is a deficient number, since it is larger than the sum of its proper divisors (448613).

22013531011 is an equidigital number, since it uses as much as digits as its factorization.

22013531011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448612.

The product of its (nonzero) digits is 180, while the sum is 19.

The spelling of 22013531011 in words is "twenty-two billion, thirteen million, five hundred thirty-one thousand, eleven".