22849920121 has 4 divisors (see below), whose sum is σ = 26114194432. Its totient is φ = 19585645812.

The previous prime is 22849920103. The next prime is 22849920151. The reversal of 22849920121 is 12102994822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22849920121 - 2⁵ = 22849920089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22849920151) 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 3 ways as a sum of consecutive naturals, for example, 1632137145 + ... + 1632137158.

It is an arithmetic number, because the mean of its divisors is an integer number (6528548608).

Almost surely, 2^22849920121 is an apocalyptic number.

It is an amenable number.

22849920121 is a deficient number, since it is larger than the sum of its proper divisors (3264274311).

22849920121 is an equidigital number, since it uses as much as digits as its factorization.

22849920121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264274310.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 22849920121 in words is "twenty-two billion, eight hundred forty-nine million, nine hundred twenty thousand, one hundred twenty-one".