22503120012121 has 4 divisors (see below), whose sum is σ = 25717851442432. Its totient is φ = 19288388581812.

The previous prime is 22503120012103. The next prime is 22503120012133. The reversal of 22503120012121 is 12121002130522.

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 not a de Polignac number, because 22503120012121 - 2²¹ = 22503117914969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22503120012092 and 22503120012101.

It is not an unprimeable number, because it can be changed into a prime (22503120012151) 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, 1607365715145 + ... + 1607365715158.

It is an arithmetic number, because the mean of its divisors is an integer number (6429462860608).

Almost surely, 2^{22503120012121} is an apocalyptic number.

It is an amenable number.

22503120012121 is a deficient number, since it is larger than the sum of its proper divisors (3214731430311).

22503120012121 is an equidigital number, since it uses as much as digits as its factorization.

22503120012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214731430310.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 22503120012121 its reverse (12121002130522), we get a palindrome (34624122142643).

The spelling of 22503120012121 in words is "twenty-two trillion, five hundred three billion, one hundred twenty million, twelve thousand, one hundred twenty-one".