22121034232303 has 4 divisors (see below), whose sum is σ = 22149651353688. Its totient is φ = 22092417110920.

The previous prime is 22121034232279. The next prime is 22121034232313. The reversal of 22121034232303 is 30323243012122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22121034232303 - 2²⁵ = 22121000677871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121034232313) 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, 14308559533 + ... + 14308561078.

It is an arithmetic number, because the mean of its divisors is an integer number (5537412838422).

Almost surely, 2^{22121034232303} is an apocalyptic number.

22121034232303 is a deficient number, since it is larger than the sum of its proper divisors (28617121385).

22121034232303 is an equidigital number, since it uses as much as digits as its factorization.

22121034232303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28617121384.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 22121034232303 its reverse (30323243012122), we get a palindrome (52444277244425).

The spelling of 22121034232303 in words is "twenty-two trillion, one hundred twenty-one billion, thirty-four million, two hundred thirty-two thousand, three hundred three".