201110101201979 has 2 divisors, whose sum is σ = 201110101201980. Its totient is φ = 201110101201978.

The previous prime is 201110101201909. The next prime is 201110101202093. The reversal of 201110101201979 is 979102101011102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201110101201979 - 2²⁴ = 201110084424763 is a prime.

It is not a weakly prime, because it can be changed into another prime (201110101201909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100555050600989 + 100555050600990.

It is an arithmetic number, because the mean of its divisors is an integer number (100555050600990).

Almost surely, 2^{201110101201979} is an apocalyptic number.

201110101201979 is a deficient number, since it is larger than the sum of its proper divisors (1).

201110101201979 is an equidigital number, since it uses as much as digits as its factorization.

201110101201979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 35.

The spelling of 201110101201979 in words is "two hundred one trillion, one hundred ten billion, one hundred one million, two hundred one thousand, nine hundred seventy-nine".