2011110496921 has 2 divisors, whose sum is σ = 2011110496922. Its totient is φ = 2011110496920.

The previous prime is 2011110496877. The next prime is 2011110496931. The reversal of 2011110496921 is 1296940111102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2000866830400 + 10243666521 = 1414520^2 + 101211^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011110496921 - 2³⁷ = 1873671543449 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011110496931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005555248460 + 1005555248461.

It is an arithmetic number, because the mean of its divisors is an integer number (1005555248461).

Almost surely, 2^{2011110496921} is an apocalyptic number.

It is an amenable number.

2011110496921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011110496921 is an equidigital number, since it uses as much as digits as its factorization.

2011110496921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 37.

The spelling of 2011110496921 in words is "two trillion, eleven billion, one hundred ten million, four hundred ninety-six thousand, nine hundred twenty-one".