10201021979 has 2 divisors, whose sum is σ = 10201021980. Its totient is φ = 10201021978.

The previous prime is 10201021973. The next prime is 10201021981. The reversal of 10201021979 is 97912010201.

It is a strong prime.

It is an emirp because it is prime and its reverse (97912010201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10201021979 - 2⁸ = 10201021723 is a prime.

It is a super-3 number, since 3×10201021979³ (a number of 31 digits) contains 333 as substring.

Together with 10201021981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10201021973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100510989 + 5100510990.

It is an arithmetic number, because the mean of its divisors is an integer number (5100510990).

Almost surely, 2^10201021979 is an apocalyptic number.

10201021979 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201021979 is an equidigital number, since it uses as much as digits as its factorization.

10201021979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 32.

The spelling of 10201021979 in words is "ten billion, two hundred one million, twenty-one thousand, nine hundred seventy-nine".