201201201979 has 2 divisors, whose sum is σ = 201201201980. Its totient is φ = 201201201978.

The previous prime is 201201201973. The next prime is 201201201997. The reversal of 201201201979 is 979102102102.

It is a happy number.

Together with next prime (201201201997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201201201979 - 2¹¹ = 201201199931 is a prime.

It is not a weakly prime, because it can be changed into another prime (201201201973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600600989 + 100600600990.

It is an arithmetic number, because the mean of its divisors is an integer number (100600600990).

Almost surely, 2^201201201979 is an apocalyptic number.

201201201979 is a deficient number, since it is larger than the sum of its proper divisors (1).

201201201979 is an equidigital number, since it uses as much as digits as its factorization.

201201201979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 201201201979 in words is "two hundred one billion, two hundred one million, two hundred one thousand, nine hundred seventy-nine".