100111011010109 has 32 divisors (see below), whose sum is σ = 114379927953408. Its totient is φ = 86790327624000.

The previous prime is 100111011010103. The next prime is 100111011010111. The reversal of 100111011010109 is 901010110111001.

It is not a de Polignac number, because 100111011010109 - 2⁴ = 100111011010093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111011010103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47462447 + ... + 49526819.

It is an arithmetic number, because the mean of its divisors is an integer number (3574372748544).

Almost surely, 2^{100111011010109} is an apocalyptic number.

It is an amenable number.

100111011010109 is a deficient number, since it is larger than the sum of its proper divisors (14268916943299).

100111011010109 is a wasteful number, since it uses less digits than its factorization.

100111011010109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066489.

The product of its (nonzero) digits is 9, while the sum is 17.

The spelling of 100111011010109 in words is "one hundred trillion, one hundred eleven billion, eleven million, ten thousand, one hundred nine".