1011001031099 has 8 divisors (see below), whose sum is σ = 1023855020640. Its totient is φ = 998202808000.

The previous prime is 1011001031021. The next prime is 1011001031111. The reversal of 1011001031099 is 9901301001101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1011001031099 - 2⁸ = 1011001030843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011001033099) 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, 13905122 + ... + 13977639.

It is an arithmetic number, because the mean of its divisors is an integer number (127981877580).

Almost surely, 2^{1011001031099} is an apocalyptic number.

1011001031099 is a deficient number, since it is larger than the sum of its proper divisors (12853989541).

1011001031099 is a wasteful number, since it uses less digits than its factorization.

1011001031099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27883221.

The product of its (nonzero) digits is 243, while the sum is 26.

The spelling of 1011001031099 in words is "one trillion, eleven billion, one million, thirty-one thousand, ninety-nine".