2311022011 has 2 divisors, whose sum is σ = 2311022012. Its totient is φ = 2311022010.

The previous prime is 2311021969. The next prime is 2311022039. The reversal of 2311022011 is 1102201132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2311022011 - 2¹⁵ = 2310989243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2311021982 and 2311022000.

It is not a weakly prime, because it can be changed into another prime (2311022711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155511005 + 1155511006.

It is an arithmetic number, because the mean of its divisors is an integer number (1155511006).

Almost surely, 2^2311022011 is an apocalyptic number.

2311022011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311022011 is an equidigital number, since it uses as much as digits as its factorization.

2311022011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2311022011 is about 48073.0903000837. The cubic root of 2311022011 is about 1322.1113309274. Note that the first 3 decimals are identical.

Adding to 2311022011 its reverse (1102201132), we get a palindrome (3413223143).

The spelling of 2311022011 in words is "two billion, three hundred eleven million, twenty-two thousand, eleven".