120221116 has 6 divisors (see below), whose sum is σ = 210386960. Its totient is φ = 60110556.

The previous prime is 120221099. The next prime is 120221117. The reversal of 120221116 is 611122021.

It is a self number, because there is not a number n which added to its sum of digits gives 120221116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15027636 + ... + 15027643.

Almost surely, 2^120221116 is an apocalyptic number.

It is an amenable number.

120221116 is a deficient number, since it is larger than the sum of its proper divisors (90165844).

120221116 is a wasteful number, since it uses less digits than its factorization.

120221116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30055283 (or 30055281 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 120221116 is about 10964.5390235978. The cubic root of 120221116 is about 493.5451839497.

Adding to 120221116 its reverse (611122021), we get a palindrome (731343137).

The spelling of 120221116 in words is "one hundred twenty million, two hundred twenty-one thousand, one hundred sixteen".