201010100111999 has 2 divisors, whose sum is σ = 201010100112000. Its totient is φ = 201010100111998.

The previous prime is 201010100111993. The next prime is 201010100112037. The reversal of 201010100111999 is 999111001010102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201010100111999 - 2¹⁶ = 201010100046463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201010100111993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100505050055999 + 100505050056000.

It is an arithmetic number, because the mean of its divisors is an integer number (100505050056000).

Almost surely, 2^{201010100111999} is an apocalyptic number.

201010100111999 is a deficient number, since it is larger than the sum of its proper divisors (1).

201010100111999 is an equidigital number, since it uses as much as digits as its factorization.

201010100111999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 35.

The spelling of 201010100111999 in words is "two hundred one trillion, ten billion, one hundred million, one hundred eleven thousand, nine hundred ninety-nine".