120022221 has 32 divisors (see below), whose sum is σ = 185587200. Its totient is φ = 68230080.

The previous prime is 120022219. The next prime is 120022237. The reversal of 120022221 is 122220021.

It is not a de Polignac number, because 120022221 - 2¹ = 120022219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120022197 and 120022206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022291) 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, 66195 + ... + 67983.

It is an arithmetic number, because the mean of its divisors is an integer number (5799600).

Almost surely, 2^120022221 is an apocalyptic number.

120022221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120022221 is a deficient number, since it is larger than the sum of its proper divisors (65564979).

120022221 is a wasteful number, since it uses less digits than its factorization.

120022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 120022221 is about 10955.4653484003. The cubic root of 120022221 is about 493.2728583751.

Adding to 120022221 its reverse (122220021), we get a palindrome (242242242).

The spelling of 120022221 in words is "one hundred twenty million, twenty-two thousand, two hundred twenty-one".