2311201203011 has 2 divisors, whose sum is σ = 2311201203012. Its totient is φ = 2311201203010.

The previous prime is 2311201202987. The next prime is 2311201203131. The reversal of 2311201203011 is 1103021021132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2311201203011 - 2³⁴ = 2294021333827 is a prime.

It is a super-2 number, since 2×2311201203011² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2311201803011) 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 as a sum of consecutive naturals, namely, 1155600601505 + 1155600601506.

It is an arithmetic number, because the mean of its divisors is an integer number (1155600601506).

Almost surely, 2^{2311201203011} is an apocalyptic number.

2311201203011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311201203011 is an equidigital number, since it uses as much as digits as its factorization.

2311201203011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2311201203011 its reverse (1103021021132), we get a palindrome (3414222224143).

The spelling of 2311201203011 in words is "two trillion, three hundred eleven billion, two hundred one million, two hundred three thousand, eleven".