22021221112303 has 4 divisors (see below), whose sum is σ = 25167109842640. Its totient is φ = 18875332381968.

The previous prime is 22021221112271. The next prime is 22021221112313. The reversal of 22021221112303 is 30321112212022.

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 22021221112303 - 2⁵ = 22021221112271 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 (22021221112313) 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, 1572944365158 + ... + 1572944365171.

It is an arithmetic number, because the mean of its divisors is an integer number (6291777460660).

Almost surely, 2^{22021221112303} is an apocalyptic number.

22021221112303 is a deficient number, since it is larger than the sum of its proper divisors (3145888730337).

22021221112303 is an equidigital number, since it uses as much as digits as its factorization.

22021221112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145888730336.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22021221112303 its reverse (30321112212022), we get a palindrome (52342333324325).

The spelling of 22021221112303 in words is "twenty-two trillion, twenty-one billion, two hundred twenty-one million, one hundred twelve thousand, three hundred three".