22111453115 has 4 divisors (see below), whose sum is σ = 26533743744. Its totient is φ = 17689162488.

The previous prime is 22111453093. The next prime is 22111453123. The reversal of 22111453115 is 51135411122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51135411122 = 2 ⋅25567705561.

It is a cyclic number.

It is not a de Polignac number, because 22111453115 - 2⁸ = 22111452859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2211145307 + ... + 2211145316.

It is an arithmetic number, because the mean of its divisors is an integer number (6633435936).

Almost surely, 2^22111453115 is an apocalyptic number.

22111453115 is a deficient number, since it is larger than the sum of its proper divisors (4422290629).

22111453115 is an equidigital number, since it uses as much as digits as its factorization.

22111453115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422290628.

The product of its digits is 1200, while the sum is 26.

Adding to 22111453115 its reverse (51135411122), we get a palindrome (73246864237).

The spelling of 22111453115 in words is "twenty-two billion, one hundred eleven million, four hundred fifty-three thousand, one hundred fifteen".