211102222109 has 12 divisors (see below), whose sum is σ = 221191895232. Its totient is φ = 201455146200.

The previous prime is 211102222027. The next prime is 211102222139. The reversal of 211102222109 is 901222201112.

It is not a de Polignac number, because 211102222109 - 2¹² = 211102218013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211102222139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234947 + ... + 690944.

It is an arithmetic number, because the mean of its divisors is an integer number (18432657936).

Almost surely, 2^211102222109 is an apocalyptic number.

It is an amenable number.

211102222109 is a deficient number, since it is larger than the sum of its proper divisors (10089673123).

211102222109 is an equidigital number, since it uses as much as digits as its factorization.

211102222109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926368 (or 926345 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 211102222109 in words is "two hundred eleven billion, one hundred two million, two hundred twenty-two thousand, one hundred nine".