2113211011 has 2 divisors, whose sum is σ = 2113211012. Its totient is φ = 2113211010.

The previous prime is 2113210999. The next prime is 2113211041. The reversal of 2113211011 is 1101123112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2113211011 - 2⁹ = 2113210499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2113210982 and 2113211000.

It is not a weakly prime, because it can be changed into another prime (2113211041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056605505 + 1056605506.

It is an arithmetic number, because the mean of its divisors is an integer number (1056605506).

Almost surely, 2^2113211011 is an apocalyptic number.

2113211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113211011 is an equidigital number, since it uses as much as digits as its factorization.

2113211011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 2113211011 is about 45969.6749063989. The cubic root of 2113211011 is about 1283.2589098499.

Adding to 2113211011 its reverse (1101123112), we get a palindrome (3214334123).

The spelling of 2113211011 in words is "two billion, one hundred thirteen million, two hundred eleven thousand, eleven".