22003122300121 has 4 divisors (see below), whose sum is σ = 22003449070500. Its totient is φ = 22002795529744.

The previous prime is 22003122300079. The next prime is 22003122300149. The reversal of 22003122300121 is 12100322130022.

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 8880036443721 + 13123085856400 = 2979939^2 + 3622580^2 .

It is a cyclic number.

It is not a de Polignac number, because 22003122300121 - 2²⁵ = 22003088745689 is a prime.

It is a super-2 number, since 2×22003122300121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22003122300221) 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, 163284166 + ... + 163418863.

It is an arithmetic number, because the mean of its divisors is an integer number (5500862267625).

Almost surely, 2^{22003122300121} is an apocalyptic number.

It is an amenable number.

22003122300121 is a deficient number, since it is larger than the sum of its proper divisors (326770379).

22003122300121 is an equidigital number, since it uses as much as digits as its factorization.

22003122300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326770378.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22003122300121 its reverse (12100322130022), we get a palindrome (34103444430143).

The spelling of 22003122300121 in words is "twenty-two trillion, three billion, one hundred twenty-two million, three hundred thousand, one hundred twenty-one".