22661051051011 has 4 divisors (see below), whose sum is σ = 22664704297752. Its totient is φ = 22657397804272.

The previous prime is 22661051050969. The next prime is 22661051051063. The reversal of 22661051051011 is 11015015016622.

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 22661051051011 - 2¹⁷ = 22661050919939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22661051051311) 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 3 ways as a sum of consecutive naturals, for example, 1826614066 + ... + 1826626471.

It is an arithmetic number, because the mean of its divisors is an integer number (5666176074438).

Almost surely, 2^{22661051051011} is an apocalyptic number.

22661051051011 is a deficient number, since it is larger than the sum of its proper divisors (3653246741).

22661051051011 is an equidigital number, since it uses as much as digits as its factorization.

22661051051011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653246740.

The product of its (nonzero) digits is 3600, while the sum is 31.

Adding to 22661051051011 its reverse (11015015016622), we get a palindrome (33676066067633).

The spelling of 22661051051011 in words is "twenty-two trillion, six hundred sixty-one billion, fifty-one million, fifty-one thousand, eleven".