11211101109 has 32 divisors (see below), whose sum is σ = 17900937600. Its totient is φ = 6893631360.

The previous prime is 11211101093. The next prime is 11211101173. The reversal of 11211101109 is 90110111211.

It is not a de Polignac number, because 11211101109 - 2⁴ = 11211101093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11211101091 and 11211101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211101189) 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, 451582 + ... + 475760.

It is an arithmetic number, because the mean of its divisors is an integer number (559404300).

Almost surely, 2^11211101109 is an apocalyptic number.

It is an amenable number.

11211101109 is a deficient number, since it is larger than the sum of its proper divisors (6689836491).

11211101109 is a wasteful number, since it uses less digits than its factorization.

11211101109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25522 (or 25516 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 18.

The spelling of 11211101109 in words is "eleven billion, two hundred eleven million, one hundred one thousand, one hundred nine".