222100211213 has 4 divisors (see below), whose sum is σ = 227265332448. Its totient is φ = 216935089980.

The previous prime is 222100211189. The next prime is 222100211261. The reversal of 222100211213 is 312112001222.

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 a cyclic number.

It is not a de Polignac number, because 222100211213 - 2⁸ = 222100210957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222100211191 and 222100211200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222100211513) 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, 2582560553 + ... + 2582560638.

It is an arithmetic number, because the mean of its divisors is an integer number (56816333112).

Almost surely, 2^222100211213 is an apocalyptic number.

It is an amenable number.

222100211213 is a deficient number, since it is larger than the sum of its proper divisors (5165121235).

222100211213 is an equidigital number, since it uses as much as digits as its factorization.

222100211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165121234.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222100211213 its reverse (312112001222), we get a palindrome (534212212435).

The spelling of 222100211213 in words is "two hundred twenty-two billion, one hundred million, two hundred eleven thousand, two hundred thirteen".