11210211109 has 8 divisors (see below), whose sum is σ = 12313275840. Its totient is φ = 10158451776.

The previous prime is 11210211107. The next prime is 11210211113. The reversal of 11210211109 is 90111201211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11210211109 - 2¹ = 11210211107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210211107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12825892 + ... + 12826765.

It is an arithmetic number, because the mean of its divisors is an integer number (1539159480).

Almost surely, 2^11210211109 is an apocalyptic number.

11210211109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11210211109 is a deficient number, since it is larger than the sum of its proper divisors (1103064731).

11210211109 is a wasteful number, since it uses less digits than its factorization.

11210211109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25652699.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 11210211109 in words is "eleven billion, two hundred ten million, two hundred eleven thousand, one hundred nine".