101111201011999 has 2 divisors, whose sum is σ = 101111201012000. Its totient is φ = 101111201011998.

The previous prime is 101111201011987. The next prime is 101111201012009. The reversal of 101111201011999 is 999110102111101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101111201011999 - 2¹³ = 101111201003807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101111201011099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555600505999 + 50555600506000.

It is an arithmetic number, because the mean of its divisors is an integer number (50555600506000).

Almost surely, 2^{101111201011999} is an apocalyptic number.

101111201011999 is a deficient number, since it is larger than the sum of its proper divisors (1).

101111201011999 is an equidigital number, since it uses as much as digits as its factorization.

101111201011999 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 37.

The spelling of 101111201011999 in words is "one hundred one trillion, one hundred eleven billion, two hundred one million, eleven thousand, nine hundred ninety-nine".