2113321011 has 8 divisors (see below), whose sum is σ = 2818193664. Its totient is φ = 1408664520.

The previous prime is 2113320997. The next prime is 2113321013. The reversal of 2113321011 is 1101233112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2113321011 is a prime.

It is a super-2 number, since 2×2113321011² = 8932251391068124242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2113321013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29655 + ... + 71456.

It is an arithmetic number, because the mean of its divisors is an integer number (352274208).

Almost surely, 2^2113321011 is an apocalyptic number.

2113321011 is a deficient number, since it is larger than the sum of its proper divisors (704872653).

2113321011 is a wasteful number, since it uses less digits than its factorization.

2113321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108081.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2113321011 is about 45970.8713317466. The cubic root of 2113321011 is about 1283.2811754968.

Adding to 2113321011 its reverse (1101233112), we get a palindrome (3214554123).

The spelling of 2113321011 in words is "two billion, one hundred thirteen million, three hundred twenty-one thousand, eleven".