2113032221213 has 4 divisors (see below), whose sum is σ = 2113038600288. Its totient is φ = 2113025842140.

The previous prime is 2113032221207. The next prime is 2113032221257. The reversal of 2113032221213 is 3121222303112.

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 2113032221213 - 2¹⁶ = 2113032155677 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 (2113032221203) 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, 2663783 + ... + 3364788.

It is an arithmetic number, because the mean of its divisors is an integer number (528259650072).

Almost surely, 2^{2113032221213} is an apocalyptic number.

It is an amenable number.

2113032221213 is a deficient number, since it is larger than the sum of its proper divisors (6379075).

2113032221213 is an equidigital number, since it uses as much as digits as its factorization.

2113032221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379074.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2113032221213 its reverse (3121222303112), we get a palindrome (5234254524325).

The spelling of 2113032221213 in words is "two trillion, one hundred thirteen billion, thirty-two million, two hundred twenty-one thousand, two hundred thirteen".