122210221213 has 4 divisors (see below), whose sum is σ = 122211775840. Its totient is φ = 122208666588.

The previous prime is 122210221193. The next prime is 122210221249. The reversal of 122210221213 is 312122012221.

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 122210221213 - 2¹⁷ = 122210090141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122210221283) 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, 652743 + ... + 818836.

It is an arithmetic number, because the mean of its divisors is an integer number (30552943960).

Almost surely, 2^122210221213 is an apocalyptic number.

It is an amenable number.

122210221213 is a deficient number, since it is larger than the sum of its proper divisors (1554627).

122210221213 is an equidigital number, since it uses as much as digits as its factorization.

122210221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554626.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 122210221213 its reverse (312122012221), we get a palindrome (434332233434).

The spelling of 122210221213 in words is "one hundred twenty-two billion, two hundred ten million, two hundred twenty-one thousand, two hundred thirteen".