120221211 has 32 divisors (see below), whose sum is σ = 181958400. Its totient is φ = 69937280.

The previous prime is 120221203. The next prime is 120221221. The reversal of 120221211 is 112122021.

It is a cyclic number.

It is not a de Polignac number, because 120221211 - 2³ = 120221203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120221201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257200 + ... + 257666.

It is an arithmetic number, because the mean of its divisors is an integer number (5686200).

Almost surely, 2^120221211 is an apocalyptic number.

120221211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120221211 is a deficient number, since it is larger than the sum of its proper divisors (61737189).

120221211 is a wasteful number, since it uses less digits than its factorization.

120221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 120221211 is about 10964.5433557445. The cubic root of 120221211 is about 493.5453139512.

Adding to 120221211 its reverse (112122021), we get a palindrome (232343232).

The spelling of 120221211 in words is "one hundred twenty million, two hundred twenty-one thousand, two hundred eleven".