109211120 has 20 divisors (see below), whose sum is σ = 253916040. Its totient is φ = 43684416.

The previous prime is 109211119. The next prime is 109211131. The reversal of 109211120 is 21112901.

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 682490 + ... + 682649.

It is an arithmetic number, because the mean of its divisors is an integer number (12695802).

Almost surely, 2^109211120 is an apocalyptic number.

109211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109211120 is an abundant number, since it is smaller than the sum of its proper divisors (144704920).

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

109211120 is a wasteful number, since it uses less digits than its factorization.

109211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365152 (or 1365146 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 109211120 is about 10450.4124320526. The cubic root of 109211120 is about 477.9938258920.

The spelling of 109211120 in words is "one hundred nine million, two hundred eleven thousand, one hundred twenty".