22120013101 has 4 divisors (see below), whose sum is σ = 22138190172. Its totient is φ = 22101836032.

The previous prime is 22120013093. The next prime is 22120013129. The reversal of 22120013101 is 10131002122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9815657476 + 12304355625 = 99074^2 + 110925^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120013101 - 2³ = 22120013093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120013191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9086710 + ... + 9089143.

It is an arithmetic number, because the mean of its divisors is an integer number (5534547543).

Almost surely, 2^22120013101 is an apocalyptic number.

It is an amenable number.

22120013101 is a deficient number, since it is larger than the sum of its proper divisors (18177071).

22120013101 is a wasteful number, since it uses less digits than its factorization.

22120013101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18177070.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 22120013101 its reverse (10131002122), we get a palindrome (32251015223).

The spelling of 22120013101 in words is "twenty-two billion, one hundred twenty million, thirteen thousand, one hundred one".