2113403021011 has 2 divisors, whose sum is σ = 2113403021012. Its totient is φ = 2113403021010.

The previous prime is 2113403020999. The next prime is 2113403021017. The reversal of 2113403021011 is 1101203043112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2113403021011 - 2²³ = 2113394632403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113403021011.

It is not a weakly prime, because it can be changed into another prime (2113403021017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056701510505 + 1056701510506.

It is an arithmetic number, because the mean of its divisors is an integer number (1056701510506).

Almost surely, 2^{2113403021011} is an apocalyptic number.

2113403021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113403021011 is an equidigital number, since it uses as much as digits as its factorization.

2113403021011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2113403021011 its reverse (1101203043112), we get a palindrome (3214606064123).

The spelling of 2113403021011 in words is "two trillion, one hundred thirteen billion, four hundred three million, twenty-one thousand, eleven".