201001021001983 has 2 divisors, whose sum is σ = 201001021001984. Its totient is φ = 201001021001982.

The previous prime is 201001021001947. The next prime is 201001021002031. The reversal of 201001021001983 is 389100120100102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201001021001983 - 2⁹ = 201001021001471 is a prime.

It is a super-2 number, since 2×201001021001983² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201001021011983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500510500991 + 100500510500992.

It is an arithmetic number, because the mean of its divisors is an integer number (100500510500992).

Almost surely, 2^{201001021001983} is an apocalyptic number.

201001021001983 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001021001983 is an equidigital number, since it uses as much as digits as its factorization.

201001021001983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 201001021001983 in words is "two hundred one trillion, one billion, twenty-one million, one thousand, nine hundred eighty-three".