2311122313011 has 16 divisors (see below), whose sum is σ = 3102484484480. Its totient is φ = 1530266878080.

The previous prime is 2311122313007. The next prime is 2311122313033. The reversal of 2311122313011 is 1103132211132.

It is not a de Polignac number, because 2311122313011 - 2² = 2311122313007 is a prime.

It is a super-2 number, since 2×2311122313011² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311122313081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858925 + ... + 2315166.

It is an arithmetic number, because the mean of its divisors is an integer number (193905280280).

Almost surely, 2^{2311122313011} is an apocalyptic number.

2311122313011 is a deficient number, since it is larger than the sum of its proper divisors (791362171469).

2311122313011 is a wasteful number, since it uses less digits than its factorization.

2311122313011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175746.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2311122313011 its reverse (1103132211132), we get a palindrome (3414254524143).

The spelling of 2311122313011 in words is "two trillion, three hundred eleven billion, one hundred twenty-two million, three hundred thirteen thousand, eleven".