22503300121 has 3 divisors (see below), whose sum is σ = 22503450133. Its totient is φ = 22503150110.

The previous prime is 22503300101. The next prime is 22503300173. The reversal of 22503300121 is 12100330522.

The square root of 22503300121 is 150011.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-22503300121 is a prime.

It is a super-2 number, since 2×22503300121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22503300101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 75006 + ... + 225016.

Almost surely, 2^22503300121 is an apocalyptic number.

22503300121 is the 150011-st square number.

22503300121 is the 75006-th centered octagonal number.

It is an amenable number.

22503300121 is a deficient number, since it is larger than the sum of its proper divisors (150012).

22503300121 is an frugal number, since it uses more digits than its factorization.

22503300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300022 (or 150011 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 22503300121 its reverse (12100330522), we get a palindrome (34603630643).

It can be divided in two parts, 22503 and 300121, that added together give a square (322624 = 568²).

The spelling of 22503300121 in words is "twenty-two billion, five hundred three million, three hundred thousand, one hundred twenty-one".