110101019990 has 32 divisors (see below), whose sum is σ = 213717946176. Its totient is φ = 40597188480.

The previous prime is 110101019983. The next prime is 110101020031. The reversal of 110101019990 is 99910101011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482426 + ... + 673005.

It is an arithmetic number, because the mean of its divisors is an integer number (6678685818).

Almost surely, 2^110101019990 is an apocalyptic number.

110101019990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

110101019990 is a deficient number, since it is larger than the sum of its proper divisors (103616926186).

110101019990 is a wasteful number, since it uses less digits than its factorization.

110101019990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156184.

The product of its (nonzero) digits is 729, while the sum is 32.

The spelling of 110101019990 in words is "one hundred ten billion, one hundred one million, nineteen thousand, nine hundred ninety".