22011210115 has 16 divisors (see below), whose sum is σ = 26512085088. Its totient is φ = 17543275776.

The previous prime is 22011210113. The next prime is 22011210119. The reversal of 22011210115 is 51101211022.

It is a cyclic number.

It is not a de Polignac number, because 22011210115 - 2¹ = 22011210113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011210113) 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 15 ways as a sum of consecutive naturals, for example, 5173329 + ... + 5177581.

It is an arithmetic number, because the mean of its divisors is an integer number (1657005318).

Almost surely, 2^22011210115 is an apocalyptic number.

22011210115 is a deficient number, since it is larger than the sum of its proper divisors (4500874973).

22011210115 is a wasteful number, since it uses less digits than its factorization.

22011210115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7878.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 22011210115 its reverse (51101211022), we get a palindrome (73112421137).

The spelling of 22011210115 in words is "twenty-two billion, eleven million, two hundred ten thousand, one hundred fifteen".