999990110101111 has 8 divisors (see below), whose sum is σ = 1006180131864960. Its totient is φ = 993818649123168.

The previous prime is 999990110101043. The next prime is 999990110101139. The reversal of 999990110101111 is 111101011099999.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999990110101111 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 (999990110101511) 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, 4640088391 + ... + 4640303896.

It is an arithmetic number, because the mean of its divisors is an integer number (125772516483120).

Almost surely, 2^{999990110101111} is an apocalyptic number.

999990110101111 is a deficient number, since it is larger than the sum of its proper divisors (6190021763849).

999990110101111 is a wasteful number, since it uses less digits than its factorization.

999990110101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9280392953.

The product of its (nonzero) digits is 59049, while the sum is 52.

The spelling of 999990110101111 in words is "nine hundred ninety-nine trillion, nine hundred ninety billion, one hundred ten million, one hundred one thousand, one hundred eleven".