201112209999979 has 2 divisors, whose sum is σ = 201112209999980. Its totient is φ = 201112209999978.

The previous prime is 201112209999941. The next prime is 201112209999989. The reversal of 201112209999979 is 979999902211102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201112209999979 is a prime.

It is a super-2 number, since 2×201112209999979² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201112209999989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100556104999989 + 100556104999990.

It is an arithmetic number, because the mean of its divisors is an integer number (100556104999990).

Almost surely, 2^{201112209999979} is an apocalyptic number.

201112209999979 is a deficient number, since it is larger than the sum of its proper divisors (1).

201112209999979 is an equidigital number, since it uses as much as digits as its factorization.

201112209999979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29760696, while the sum is 70.

The spelling of 201112209999979 in words is "two hundred one trillion, one hundred twelve billion, two hundred nine million, nine hundred ninety-nine thousand, nine hundred seventy-nine".