201012021011999 has 4 divisors (see below), whose sum is σ = 201073851843000. Its totient is φ = 200950190181000.

The previous prime is 201012021011957. The next prime is 201012021012029. The reversal of 201012021011999 is 999110120210102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201012021011999 - 2²⁸ = 201011752576543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012021011909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30915410624 + ... + 30915417125.

It is an arithmetic number, because the mean of its divisors is an integer number (50268462960750).

Almost surely, 2^{201012021011999} is an apocalyptic number.

201012021011999 is a deficient number, since it is larger than the sum of its proper divisors (61830831001).

201012021011999 is an equidigital number, since it uses as much as digits as its factorization.

201012021011999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61830831000.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 201012021011999 in words is "two hundred one trillion, twelve billion, twenty-one million, eleven thousand, nine hundred ninety-nine".