132111221 has 8 divisors (see below), whose sum is σ = 144770304. Its totient is φ = 119560320.

The previous prime is 132111209. The next prime is 132111223. The reversal of 132111221 is 122111231.

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

It is not a de Polignac number, because 132111221 - 2¹⁸ = 131849077 is a prime.

It is a super-2 number, since 2×132111221² = 34906749428221682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 132111196 and 132111205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132111223) 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, 24476 + ... + 29381.

It is an arithmetic number, because the mean of its divisors is an integer number (18096288).

Almost surely, 2^132111221 is an apocalyptic number.

132111221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

132111221 is a deficient number, since it is larger than the sum of its proper divisors (12659083).

132111221 is a wasteful number, since it uses less digits than its factorization.

132111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54091.

The product of its digits is 24, while the sum is 14.

The square root of 132111221 is about 11493.9645466653. The cubic root of 132111221 is about 509.3073012818.

Adding to 132111221 its reverse (122111231), we get a palindrome (254222452).

The spelling of 132111221 in words is "one hundred thirty-two million, one hundred eleven thousand, two hundred twenty-one".