22101021131 has 8 divisors (see below), whose sum is σ = 25259212800. Its totient is φ = 18943055208.

The previous prime is 22101021113. The next prime is 22101021169. The reversal of 22101021131 is 13112010122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22101021131 - 2⁶ = 22101021067 is a prime.

It is a super-2 number, since 2×22101021131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101021101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327560 + ... + 389226.

It is an arithmetic number, because the mean of its divisors is an integer number (3157401600).

Almost surely, 2^22101021131 is an apocalyptic number.

22101021131 is a deficient number, since it is larger than the sum of its proper divisors (3158191669).

22101021131 is an equidigital number, since it uses as much as digits as its factorization.

22101021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112873.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 22101021131 its reverse (13112010122), we get a palindrome (35213031253).

The spelling of 22101021131 in words is "twenty-two billion, one hundred one million, twenty-one thousand, one hundred thirty-one".