22122021022203 has 4 divisors (see below), whose sum is σ = 29496028029608. Its totient is φ = 14748014014800.

The previous prime is 22122021022193. The next prime is 22122021022243. The reversal of 22122021022203 is 30222012022122.

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

It is not a de Polignac number, because 22122021022203 - 2⁴ = 22122021022187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22122021022203.

It is not an unprimeable number, because it can be changed into a prime (22122021022243) 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, 3687003503698 + ... + 3687003503703.

It is an arithmetic number, because the mean of its divisors is an integer number (7374007007402).

Almost surely, 2^{22122021022203} is an apocalyptic number.

22122021022203 is a deficient number, since it is larger than the sum of its proper divisors (7374007007405).

22122021022203 is an equidigital number, since it uses as much as digits as its factorization.

22122021022203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7374007007404.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22122021022203 its reverse (30222012022122), we get a palindrome (52344033044325).

The spelling of 22122021022203 in words is "twenty-two trillion, one hundred twenty-two billion, twenty-one million, twenty-two thousand, two hundred three".