11101919101 has 24 divisors (see below), whose sum is σ = 13769329920. Its totient is φ = 8764531776.

The previous prime is 11101919099. The next prime is 11101919123. The reversal of 11101919101 is 10191910111.

It is not a de Polignac number, because 11101919101 - 2¹ = 11101919099 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 (11101919141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 537595 + ... + 557863.

It is an arithmetic number, because the mean of its divisors is an integer number (573722080).

Almost surely, 2^11101919101 is an apocalyptic number.

It is an amenable number.

11101919101 is a deficient number, since it is larger than the sum of its proper divisors (2667410819).

11101919101 is a wasteful number, since it uses less digits than its factorization.

11101919101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20765 (or 20752 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 25.

The spelling of 11101919101 in words is "eleven billion, one hundred one million, nine hundred nineteen thousand, one hundred one".