2212210121213 has 4 divisors (see below), whose sum is σ = 2212217865120. Its totient is φ = 2212202377308.

The previous prime is 2212210121167. The next prime is 2212210121239. The reversal of 2212210121213 is 3121210122122.

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 2212210121213 - 2¹⁰ = 2212210120189 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 (2212210121413) 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, 3426353 + ... + 4020486.

It is an arithmetic number, because the mean of its divisors is an integer number (553054466280).

Almost surely, 2^{2212210121213} is an apocalyptic number.

It is an amenable number.

2212210121213 is a deficient number, since it is larger than the sum of its proper divisors (7743907).

2212210121213 is an equidigital number, since it uses as much as digits as its factorization.

2212210121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7743906.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2212210121213 its reverse (3121210122122), we get a palindrome (5333420243335).

Subtracting 2212210121213 from its reverse (3121210122122), we obtain a palindrome (909000000909).

The spelling of 2212210121213 in words is "two trillion, two hundred twelve billion, two hundred ten million, one hundred twenty-one thousand, two hundred thirteen".