22100221203 has 16 divisors (see below), whose sum is σ = 31024206720. Its totient is φ = 13955175936.

The previous prime is 22100221193. The next prime is 22100221211. The reversal of 22100221203 is 30212200122.

It is a happy number.

It is not a de Polignac number, because 22100221203 - 2²¹ = 22098124051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22100222203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260851 + ... + 335027.

It is an arithmetic number, because the mean of its divisors is an integer number (1939012920).

Almost surely, 2^22100221203 is an apocalyptic number.

22100221203 is a deficient number, since it is larger than the sum of its proper divisors (8923985517).

22100221203 is a wasteful number, since it uses less digits than its factorization.

22100221203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79426.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22100221203 its reverse (30212200122), we get a palindrome (52312421325).

The spelling of 22100221203 in words is "twenty-two billion, one hundred million, two hundred twenty-one thousand, two hundred three".