2211001002113 has 4 divisors (see below), whose sum is σ = 2216252786388. Its totient is φ = 2205749217840.

The previous prime is 2211001002059. The next prime is 2211001002127. The reversal of 2211001002113 is 3112001001122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 492848929024 + 1718152073089 = 702032^2 + 1310783^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211001002113 - 2²² = 2210996807809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211031002113) 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, 2625891506 + ... + 2625892347.

It is an arithmetic number, because the mean of its divisors is an integer number (554063196597).

Almost surely, 2^{2211001002113} is an apocalyptic number.

It is an amenable number.

2211001002113 is a deficient number, since it is larger than the sum of its proper divisors (5251784275).

2211001002113 is an equidigital number, since it uses as much as digits as its factorization.

2211001002113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251784274.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2211001002113 its reverse (3112001001122), we get a palindrome (5323002003235).

Subtracting 2211001002113 from its reverse (3112001001122), we obtain a palindrome (900999999009).

The spelling of 2211001002113 in words is "two trillion, two hundred eleven billion, one million, two thousand, one hundred thirteen".