10098991111 has 16 divisors (see below), whose sum is σ = 11187854496. Its totient is φ = 9039600000.

The previous prime is 10098991073. The next prime is 10098991121. The reversal of 10098991111 is 11119989001.

10098991111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10098991111 - 2⁷ = 10098990983 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 (10098991121) 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, 175981 + ... + 226201.

It is an arithmetic number, because the mean of its divisors is an integer number (699240906).

Almost surely, 2^10098991111 is an apocalyptic number.

10098991111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10098991111 is a deficient number, since it is larger than the sum of its proper divisors (1088863385).

10098991111 is a wasteful number, since it uses less digits than its factorization.

10098991111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50514.

The product of its (nonzero) digits is 5832, while the sum is 40.

The spelling of 10098991111 in words is "ten billion, ninety-eight million, nine hundred ninety-one thousand, one hundred eleven".