109211000 has 32 divisors (see below), whose sum is σ = 255556080. Its totient is φ = 43684000.

The previous prime is 109210999. The next prime is 109211023. The reversal of 109211000 is 112901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53606 + ... + 55605.

Almost surely, 2^109211000 is an apocalyptic number.

109211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109211000 is an abundant number, since it is smaller than the sum of its proper divisors (146345080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109211000 is a wasteful number, since it uses less digits than its factorization.

109211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109232 (or 109218 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 109211000 is about 10450.4066906508. The cubic root of 109211000 is about 477.9936508205.

Adding to 109211000 its reverse (112901), we get a palindrome (109323901).

The spelling of 109211000 in words is "one hundred nine million, two hundred eleven thousand".