22011320115 has 24 divisors (see below), whose sum is σ = 38161298448. Its totient is φ = 11736803520.

The previous prime is 22011320101. The next prime is 22011320159. The reversal of 22011320115 is 51102311022.

22011320115 is a `hidden beast` number, since 220 + 11 + 320 + 115 = 666.

It is not a de Polignac number, because 22011320115 - 2⁴ = 22011320099 is a prime.

It is a super-3 number, since 3×22011320115³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164325 + ... + 266505.

It is an arithmetic number, because the mean of its divisors is an integer number (1590054102).

Almost surely, 2^22011320115 is an apocalyptic number.

22011320115 is a deficient number, since it is larger than the sum of its proper divisors (16149978333).

22011320115 is a wasteful number, since it uses less digits than its factorization.

22011320115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106979 (or 106976 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 22011320115 its reverse (51102311022), we get a palindrome (73113631137).

The spelling of 22011320115 in words is "twenty-two billion, eleven million, three hundred twenty thousand, one hundred fifteen".