22301214121 has 4 divisors (see below), whose sum is σ = 22301615700. Its totient is φ = 22300812544.

The previous prime is 22301214083. The next prime is 22301214127. The reversal of 22301214121 is 12141210322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12141210322 = 2 ⋅6070605161.

It can be written as a sum of positive squares in 2 ways, for example, as 1583642025 + 20717572096 = 39795^2 + 143936^2 .

It is a cyclic number.

It is not a de Polignac number, because 22301214121 - 2²⁷ = 22166996393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22301214127) 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, 100936 + ... + 234073.

It is an arithmetic number, because the mean of its divisors is an integer number (5575403925).

Almost surely, 2^22301214121 is an apocalyptic number.

It is an amenable number.

22301214121 is a deficient number, since it is larger than the sum of its proper divisors (401579).

22301214121 is an equidigital number, since it uses as much as digits as its factorization.

22301214121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401578.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22301214121 its reverse (12141210322), we get a palindrome (34442424443).

The spelling of 22301214121 in words is "twenty-two billion, three hundred one million, two hundred fourteen thousand, one hundred twenty-one".