22120201045 has 4 divisors (see below), whose sum is σ = 26544241260. Its totient is φ = 17696160832.

The previous prime is 22120201039. The next prime is 22120201073. The reversal of 22120201045 is 54010202122.

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 10262297809 + 11857903236 = 101303^2 + 108894^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120201045 - 2²⁵ = 22086646613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2212020100 + ... + 2212020109.

It is an arithmetic number, because the mean of its divisors is an integer number (6636060315).

Almost surely, 2^22120201045 is an apocalyptic number.

It is an amenable number.

22120201045 is a deficient number, since it is larger than the sum of its proper divisors (4424040215).

22120201045 is an equidigital number, since it uses as much as digits as its factorization.

22120201045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424040214.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 22120201045 its reverse (54010202122), we get a palindrome (76130403167).

The spelling of 22120201045 in words is "twenty-two billion, one hundred twenty million, two hundred one thousand, forty-five".