22313013121 has 4 divisors (see below), whose sum is σ = 25500586432. Its totient is φ = 19125439812.

The previous prime is 22313013103. The next prime is 22313013199. The reversal of 22313013121 is 12131031322.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12131031322 = 2 ⋅6065515661.

It is a cyclic number.

It is not a de Polignac number, because 22313013121 - 2¹¹ = 22313011073 is a prime.

It is a super-3 number, since 3×22313013121³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22313013521) 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, 1593786645 + ... + 1593786658.

It is an arithmetic number, because the mean of its divisors is an integer number (6375146608).

Almost surely, 2^22313013121 is an apocalyptic number.

It is an amenable number.

22313013121 is a deficient number, since it is larger than the sum of its proper divisors (3187573311).

22313013121 is an equidigital number, since it uses as much as digits as its factorization.

22313013121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187573310.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22313013121 its reverse (12131031322), we get a palindrome (34444044443).

The spelling of 22313013121 in words is "twenty-two billion, three hundred thirteen million, thirteen thousand, one hundred twenty-one".