22221100202003 has 4 divisors (see below), whose sum is σ = 22221110184648. Its totient is φ = 22221090219360.

The previous prime is 22221100201967. The next prime is 22221100202017. The reversal of 22221100202003 is 30020200112222.

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 cyclic number.

It is not a de Polignac number, because 22221100202003 - 2²⁶ = 22221033093139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221100202023) 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, 34475 + ... + 6666587.

It is an arithmetic number, because the mean of its divisors is an integer number (5555277546162).

Almost surely, 2^{22221100202003} is an apocalyptic number.

22221100202003 is a deficient number, since it is larger than the sum of its proper divisors (9982645).

22221100202003 is an equidigital number, since it uses as much as digits as its factorization.

22221100202003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9982644.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22221100202003 its reverse (30020200112222), we get a palindrome (52241300314225).

The spelling of 22221100202003 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred million, two hundred two thousand, three".