222100221212013 has 4 divisors (see below), whose sum is σ = 296133628282688. Its totient is φ = 148066814141340.

The previous prime is 222100221211987. The next prime is 222100221212033. The reversal of 222100221212013 is 310212122001222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 222100221212013 - 2⁶ = 222100221211949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222100221212033) 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, 37016703535333 + ... + 37016703535338.

It is an arithmetic number, because the mean of its divisors is an integer number (74033407070672).

Almost surely, 2^{222100221212013} is an apocalyptic number.

It is an amenable number.

222100221212013 is a deficient number, since it is larger than the sum of its proper divisors (74033407070675).

222100221212013 is an equidigital number, since it uses as much as digits as its factorization.

222100221212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74033407070674.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 222100221212013 its reverse (310212122001222), we get a palindrome (532312343213235).

The spelling of 222100221212013 in words is "two hundred twenty-two trillion, one hundred billion, two hundred twenty-one million, two hundred twelve thousand, thirteen".