1011100100109 has 32 divisors (see below), whose sum is σ = 1559156812416. Its totient is φ = 576017694720.

The previous prime is 1011100100081. The next prime is 1011100100113. The reversal of 1011100100109 is 9010010011101.

It is not a de Polignac number, because 1011100100109 - 2²⁵ = 1011066545677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011100100149) 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 31 ways as a sum of consecutive naturals, for example, 683572 + ... + 1577805.

It is an arithmetic number, because the mean of its divisors is an integer number (48723650388).

Almost surely, 2^{1011100100109} is an apocalyptic number.

It is an amenable number.

1011100100109 is a deficient number, since it is larger than the sum of its proper divisors (548056712307).

1011100100109 is a wasteful number, since it uses less digits than its factorization.

1011100100109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262205.

The product of its (nonzero) digits is 9, while the sum is 15.

The spelling of 1011100100109 in words is "one trillion, eleven billion, one hundred million, one hundred thousand, one hundred nine".