2113213332011 has 4 divisors (see below), whose sum is σ = 2129344731624. Its totient is φ = 2097081932400.

The previous prime is 2113213332007. The next prime is 2113213332017. The reversal of 2113213332011 is 1102333123112.

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 2113213332011 - 2² = 2113213332007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113213332017) 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, 8065699610 + ... + 8065699871.

It is an arithmetic number, because the mean of its divisors is an integer number (532336182906).

Almost surely, 2^{2113213332011} is an apocalyptic number.

2113213332011 is a deficient number, since it is larger than the sum of its proper divisors (16131399613).

2113213332011 is a wasteful number, since it uses less digits than its factorization.

2113213332011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16131399612.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2113213332011 its reverse (1102333123112), we get a palindrome (3215546455123).

The spelling of 2113213332011 in words is "two trillion, one hundred thirteen billion, two hundred thirteen million, three hundred thirty-two thousand, eleven".