22120015161 has 8 divisors (see below), whose sum is σ = 29542593600. Its totient is φ = 14722056752.

The previous prime is 22120015153. The next prime is 22120015199. The reversal of 22120015161 is 16151002122.

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 22120015161 - 2³ = 22120015153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22120015661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6152910 + ... + 6156503.

It is an arithmetic number, because the mean of its divisors is an integer number (3692824200).

Almost surely, 2^22120015161 is an apocalyptic number.

It is an amenable number.

22120015161 is a deficient number, since it is larger than the sum of its proper divisors (7422578439).

22120015161 is a wasteful number, since it uses less digits than its factorization.

22120015161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12310015.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 22120015161 its reverse (16151002122), we get a palindrome (38271017283).

The spelling of 22120015161 in words is "twenty-two billion, one hundred twenty million, fifteen thousand, one hundred sixty-one".