120221266 has 16 divisors (see below), whose sum is σ = 201525408. Its totient is φ = 53312800.

The previous prime is 120221261. The next prime is 120221281. The reversal of 120221266 is 662122021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (120221261) 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, 65740 + ... + 67543.

It is an arithmetic number, because the mean of its divisors is an integer number (12595338).

Almost surely, 2^120221266 is an apocalyptic number.

120221266 is a deficient number, since it is larger than the sum of its proper divisors (81304142).

120221266 is a wasteful number, since it uses less digits than its factorization.

120221266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133337.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 120221266 is about 10964.5458638286. The cubic root of 120221266 is about 493.5453892152.

Adding to 120221266 its reverse (662122021), we get a palindrome (782343287).

The spelling of 120221266 in words is "one hundred twenty million, two hundred twenty-one thousand, two hundred sixty-six".