2113321132211 has 4 divisors (see below), whose sum is σ = 2113335179232. Its totient is φ = 2113307085192.

The previous prime is 2113321132207. The next prime is 2113321132249. The reversal of 2113321132211 is 1122311233112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2113321132211 - 2² = 2113321132207 is a prime.

It is a super-2 number, since 2×2113321132211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113321132261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6795371 + ... + 7099556.

It is an arithmetic number, because the mean of its divisors is an integer number (528333794808).

Almost surely, 2^{2113321132211} is an apocalyptic number.

2113321132211 is a deficient number, since it is larger than the sum of its proper divisors (14047021).

2113321132211 is a wasteful number, since it uses less digits than its factorization.

2113321132211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14047020.

The product of its digits is 432, while the sum is 23.

Adding to 2113321132211 its reverse (1122311233112), we get a palindrome (3235632365323).

The spelling of 2113321132211 in words is "two trillion, one hundred thirteen billion, three hundred twenty-one million, one hundred thirty-two thousand, two hundred eleven".