22131061115 has 8 divisors (see below), whose sum is σ = 26953650960. Its totient is φ = 17440597152.

The previous prime is 22131061111. The next prime is 22131061181. The reversal of 22131061115 is 51116013122.

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

It is a cyclic number.

It is not a de Polignac number, because 22131061115 - 2² = 22131061111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22131061111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33031100 + ... + 33031769.

It is an arithmetic number, because the mean of its divisors is an integer number (3369206370).

Almost surely, 2^22131061115 is an apocalyptic number.

22131061115 is a deficient number, since it is larger than the sum of its proper divisors (4822589845).

22131061115 is an equidigital number, since it uses as much as digits as its factorization.

22131061115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66062941.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 22131061115 its reverse (51116013122), we get a palindrome (73247074237).

The spelling of 22131061115 in words is "twenty-two billion, one hundred thirty-one million, sixty-one thousand, one hundred fifteen".