101111001099 has 16 divisors (see below), whose sum is σ = 142794731520. Its totient is φ = 63420068480.

The previous prime is 101111001053. The next prime is 101111001149. The reversal of 101111001099 is 990100111101.

It is a cyclic number.

It is not a de Polignac number, because 101111001099 - 2⁹ = 101111000587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101111001899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197487 + ... + 491144.

It is an arithmetic number, because the mean of its divisors is an integer number (8924670720).

Almost surely, 2^101111001099 is an apocalyptic number.

101111001099 is a deficient number, since it is larger than the sum of its proper divisors (41683730421).

101111001099 is a wasteful number, since it uses less digits than its factorization.

101111001099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691530.

The product of its (nonzero) digits is 81, while the sum is 24.

The spelling of 101111001099 in words is "one hundred one billion, one hundred eleven million, one thousand, ninety-nine".