20221111131101 has 4 divisors (see below), whose sum is σ = 20230573515612. Its totient is φ = 20211648746592.

The previous prime is 20221111131077. The next prime is 20221111131127. The reversal of 20221111131101 is 10113111112202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2465295655876 + 17755815475225 = 1570126^2 + 4213765^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221111131101 - 2³⁸ = 19946233224157 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 20221111131101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221111131901) 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, 4731189050 + ... + 4731193323.

It is an arithmetic number, because the mean of its divisors is an integer number (5057643378903).

Almost surely, 2^{20221111131101} is an apocalyptic number.

It is an amenable number.

20221111131101 is a deficient number, since it is larger than the sum of its proper divisors (9462384511).

20221111131101 is an equidigital number, since it uses as much as digits as its factorization.

20221111131101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9462384510.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 20221111131101 its reverse (10113111112202), we get a palindrome (30334222243303).

The spelling of 20221111131101 in words is "twenty trillion, two hundred twenty-one billion, one hundred eleven million, one hundred thirty-one thousand, one hundred one".