1001101099999 has 16 divisors (see below), whose sum is σ = 1344135744000. Its totient is φ = 720072718560.

The previous prime is 1001101099991. The next prime is 1001101100011. The reversal of 1001101099999 is 9999901011001.

It is a happy number.

It is not a de Polignac number, because 1001101099999 - 2³ = 1001101099991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001101099991) 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, 500049499 + ... + 500051500.

It is an arithmetic number, because the mean of its divisors is an integer number (84008484000).

Almost surely, 2^{1001101099999} is an apocalyptic number.

1001101099999 is a deficient number, since it is larger than the sum of its proper divisors (343034644001).

1001101099999 is a wasteful number, since it uses less digits than its factorization.

1001101099999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000101030.

The product of its (nonzero) digits is 59049, while the sum is 49.

The spelling of 1001101099999 in words is "one trillion, one billion, one hundred one million, ninety-nine thousand, nine hundred ninety-nine".