21222103301 has 12 divisors (see below), whose sum is σ = 24999433920. Its totient is φ = 17960113080.

The previous prime is 21222103297. The next prime is 21222103307. The reversal of 21222103301 is 10330122212.

It is not a de Polignac number, because 21222103301 - 2² = 21222103297 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 21222103301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21222103307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2737295 + ... + 2745036.

It is an arithmetic number, because the mean of its divisors is an integer number (2083286160).

Almost surely, 2^21222103301 is an apocalyptic number.

It is an amenable number.

21222103301 is a deficient number, since it is larger than the sum of its proper divisors (3777330619).

21222103301 is an equidigital number, since it uses as much as digits as its factorization.

21222103301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482424 (or 5482417 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21222103301 its reverse (10330122212), we get a palindrome (31552225513).

The spelling of 21222103301 in words is "twenty-one billion, two hundred twenty-two million, one hundred three thousand, three hundred one".