2101010101499 has 2 divisors, whose sum is σ = 2101010101500. Its totient is φ = 2101010101498.

The previous prime is 2101010101469. The next prime is 2101010101607. The reversal of 2101010101499 is 9941010101012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101010101499 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101010101469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050505050749 + 1050505050750.

It is an arithmetic number, because the mean of its divisors is an integer number (1050505050750).

Almost surely, 2^{2101010101499} is an apocalyptic number.

2101010101499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101010101499 is an equidigital number, since it uses as much as digits as its factorization.

2101010101499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 2101010101499 in words is "two trillion, one hundred one billion, ten million, one hundred one thousand, four hundred ninety-nine".