120221220211 has 16 divisors (see below), whose sum is σ = 128811924000. Its totient is φ = 111803788800.

The previous prime is 120221220173. The next prime is 120221220227. The reversal of 120221220211 is 112022122021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120221220211 - 2¹³ = 120221212019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120221220611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786625 + ... + 926941.

It is an arithmetic number, because the mean of its divisors is an integer number (8050745250).

Almost surely, 2^120221220211 is an apocalyptic number.

120221220211 is a deficient number, since it is larger than the sum of its proper divisors (8590703789).

120221220211 is a wasteful number, since it uses less digits than its factorization.

120221220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140934.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120221220211 its reverse (112022122021), we get a palindrome (232243342232).

The spelling of 120221220211 in words is "one hundred twenty billion, two hundred twenty-one million, two hundred twenty thousand, two hundred eleven".