10011111010999 has 16 divisors (see below), whose sum is σ = 11446789040128. Its totient is φ = 8576813539872.

The previous prime is 10011111010991. The next prime is 10011111011009. The reversal of 10011111010999 is 99901011111001.

It is a cyclic number.

It is not a de Polignac number, because 10011111010999 - 2³ = 10011111010991 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 (10011111010991) 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, 214407034 + ... + 214453720.

It is an arithmetic number, because the mean of its divisors is an integer number (715424315008).

Almost surely, 2^{10011111010999} is an apocalyptic number.

10011111010999 is a deficient number, since it is larger than the sum of its proper divisors (1435678029129).

10011111010999 is a wasteful number, since it uses less digits than its factorization.

10011111010999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60814.

The product of its (nonzero) digits is 729, while the sum is 34.

The spelling of 10011111010999 in words is "ten trillion, eleven billion, one hundred eleven million, ten thousand, nine hundred ninety-nine".