11222122115 has 8 divisors (see below), whose sum is σ = 13687309968. Its totient is φ = 8830522080.

The previous prime is 11222122111. The next prime is 11222122117. The reversal of 11222122115 is 51122122211.

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

It is not a de Polignac number, because 11222122115 - 2² = 11222122111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222122111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18396617 + ... + 18397226.

It is an arithmetic number, because the mean of its divisors is an integer number (1710913746).

Almost surely, 2^11222122115 is an apocalyptic number.

11222122115 is a deficient number, since it is larger than the sum of its proper divisors (2465187853).

11222122115 is an equidigital number, since it uses as much as digits as its factorization.

11222122115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36793909.

The product of its digits is 160, while the sum is 20.

Adding to 11222122115 its reverse (51122122211), we get a palindrome (62344244326).

The spelling of 11222122115 in words is "eleven billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred fifteen".