121132210 has 8 divisors (see below), whose sum is σ = 218037996. Its totient is φ = 48452880.

The previous prime is 121132199. The next prime is 121132213. The reversal of 121132210 is 12231121.

It can be written as a sum of positive squares in 2 ways, for example, as 98863249 + 22268961 = 9943^2 + 4719^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121132213) by changing a digit.

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, 6056601 + ... + 6056620.

Almost surely, 2^121132210 is an apocalyptic number.

121132210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121132210 is a deficient number, since it is larger than the sum of its proper divisors (96905786).

121132210 is a wasteful number, since it uses less digits than its factorization.

121132210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12113228.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 121132210 is about 11006.0079047764. The cubic root of 121132210 is about 494.7888226161.

Adding to 121132210 its reverse (12231121), we get a palindrome (133363331).

The spelling of 121132210 in words is "one hundred twenty-one million, one hundred thirty-two thousand, two hundred ten".