101011101999 has 16 divisors (see below), whose sum is σ = 136205190240. Its totient is φ = 66580254720.

The previous prime is 101011101949. The next prime is 101011102013. The reversal of 101011101999 is 999101110101.

It is not a de Polignac number, because 101011101999 - 2¹⁵ = 101011069231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011101949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121609 + ... + 465629.

It is an arithmetic number, because the mean of its divisors is an integer number (8512824390).

Almost surely, 2^101011101999 is an apocalyptic number.

101011101999 is a deficient number, since it is larger than the sum of its proper divisors (35194088241).

101011101999 is a wasteful number, since it uses less digits than its factorization.

101011101999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345130.

The product of its (nonzero) digits is 729, while the sum is 33.

The spelling of 101011101999 in words is "one hundred one billion, eleven million, one hundred one thousand, nine hundred ninety-nine".