22153022011 has 4 divisors (see below), whose sum is σ = 22208823472. Its totient is φ = 22097220552.

The previous prime is 22153022009. The next prime is 22153022039. The reversal of 22153022011 is 11022035122.

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 22153022011 - 2¹ = 22153022009 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 22153022011.

It is not an unprimeable number, because it can be changed into a prime (22153022041) 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, 27900135 + ... + 27900928.

It is an arithmetic number, because the mean of its divisors is an integer number (5552205868).

Almost surely, 2^22153022011 is an apocalyptic number.

22153022011 is a deficient number, since it is larger than the sum of its proper divisors (55801461).

22153022011 is an equidigital number, since it uses as much as digits as its factorization.

22153022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55801460.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 22153022011 its reverse (11022035122), we get a palindrome (33175057133).

The spelling of 22153022011 in words is "twenty-two billion, one hundred fifty-three million, twenty-two thousand, eleven".