212211122313 has 24 divisors (see below), whose sum is σ = 288151237632. Its totient is φ = 138910754304.

The previous prime is 212211122287. The next prime is 212211122339. The reversal of 212211122313 is 313221112212.

It is an interprime number because it is at equal distance from previous prime (212211122287) and next prime (212211122339).

It is not a de Polignac number, because 212211122313 - 2²⁶ = 212144013449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212211122313.

It is not an unprimeable number, because it can be changed into a prime (212211122393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3555231 + ... + 3614427.

It is an arithmetic number, because the mean of its divisors is an integer number (12006301568).

Almost surely, 2^212211122313 is an apocalyptic number.

It is an amenable number.

212211122313 is a deficient number, since it is larger than the sum of its proper divisors (75940115319).

212211122313 is an equidigital number, since it uses as much as digits as its factorization.

212211122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59521 (or 59424 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

Adding to 212211122313 its reverse (313221112212), we get a palindrome (525432234525).

The spelling of 212211122313 in words is "two hundred twelve billion, two hundred eleven million, one hundred twenty-two thousand, three hundred thirteen".