211202202001979 has 2 divisors, whose sum is σ = 211202202001980. Its totient is φ = 211202202001978.

The previous prime is 211202202001943. The next prime is 211202202002059. The reversal of 211202202001979 is 979100202202112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211202202001979 - 2⁸ = 211202202001723 is a prime.

It is not a weakly prime, because it can be changed into another prime (211202202003979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105601101000989 + 105601101000990.

It is an arithmetic number, because the mean of its divisors is an integer number (105601101000990).

Almost surely, 2^{211202202001979} is an apocalyptic number.

211202202001979 is a deficient number, since it is larger than the sum of its proper divisors (1).

211202202001979 is an equidigital number, since it uses as much as digits as its factorization.

211202202001979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 211202202001979 in words is "two hundred eleven trillion, two hundred two billion, two hundred two million, one thousand, nine hundred seventy-nine".