103211120 has 40 divisors (see below), whose sum is σ = 250403616. Its totient is φ = 39488768.

The previous prime is 103211117. The next prime is 103211153. The reversal of 103211120 is 21112301.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26207 + ... + 29886.

Almost surely, 2^103211120 is an apocalyptic number.

103211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103211120 is an abundant number, since it is smaller than the sum of its proper divisors (147192496).

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

103211120 is a wasteful number, since it uses less digits than its factorization.

103211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56129 (or 56123 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 103211120 is about 10159.2873765831. The cubic root of 103211120 is about 469.0748664738.

Adding to 103211120 its reverse (21112301), we get a palindrome (124323421).

The spelling of 103211120 in words is "one hundred three million, two hundred eleven thousand, one hundred twenty".