1011011100109 has 4 divisors (see below), whose sum is σ = 1011093799104. Its totient is φ = 1010928401116.

The previous prime is 1011011100101. The next prime is 1011011100139. The reversal of 1011011100109 is 9010011101101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1011011100109 - 2³ = 1011011100101 is a prime.

It is a super-2 number, since 2×1011011100109² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011011100092 and 1011011100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011011100101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41331157 + ... + 41355610.

It is an arithmetic number, because the mean of its divisors is an integer number (252773449776).

Almost surely, 2^{1011011100109} is an apocalyptic number.

It is an amenable number.

1011011100109 is a deficient number, since it is larger than the sum of its proper divisors (82698995).

1011011100109 is an equidigital number, since it uses as much as digits as its factorization.

1011011100109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82698994.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 1011011100109 in words is "one trillion, eleven billion, eleven million, one hundred thousand, one hundred nine".