201001021111999 has 2 divisors, whose sum is σ = 201001021112000. Its totient is φ = 201001021111998.

The previous prime is 201001021111991. The next prime is 201001021112027. The reversal of 201001021111999 is 999111120100102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201001021111999 - 2³ = 201001021111991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201001021111991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500510555999 + 100500510556000.

It is an arithmetic number, because the mean of its divisors is an integer number (100500510556000).

Almost surely, 2^{201001021111999} is an apocalyptic number.

201001021111999 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001021111999 is an equidigital number, since it uses as much as digits as its factorization.

201001021111999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 37.

The spelling of 201001021111999 in words is "two hundred one trillion, one billion, twenty-one million, one hundred eleven thousand, nine hundred ninety-nine".