1011111010999 has 8 divisors (see below), whose sum is σ = 1046206980000. Its totient is φ = 976030380192.

The previous prime is 1011111010997. The next prime is 1011111011021. The reversal of 1011111010999 is 9990101111101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011111010999 - 2¹ = 1011111010997 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 (1011111010997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3700339 + ... + 3964180.

It is an arithmetic number, because the mean of its divisors is an integer number (130775872500).

Almost surely, 2^{1011111010999} is an apocalyptic number.

1011111010999 is a deficient number, since it is larger than the sum of its proper divisors (35095969001).

1011111010999 is an equidigital number, since it uses as much as digits as its factorization.

1011111010999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7669097.

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

The spelling of 1011111010999 in words is "one trillion, eleven billion, one hundred eleven million, ten thousand, nine hundred ninety-nine".