120221110 has 32 divisors (see below), whose sum is σ = 230014080. Its totient is φ = 45241216.

The previous prime is 120221099. The next prime is 120221117. The reversal of 120221110 is 11122021.

It is a Harshad number since it is a multiple of its sum of digits (10).

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 in 15 ways as a sum of consecutive naturals, for example, 47907 + ... + 50353.

It is an arithmetic number, because the mean of its divisors is an integer number (7187940).

Almost surely, 2^120221110 is an apocalyptic number.

120221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120221110 is a deficient number, since it is larger than the sum of its proper divisors (109792970).

120221110 is an equidigital number, since it uses as much as digits as its factorization.

120221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505 (or 2471 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 120221110 is about 10964.5387499885. The cubic root of 120221110 is about 493.5451757391.

Adding to 120221110 its reverse (11122021), we get a palindrome (131343131).

The spelling of 120221110 in words is "one hundred twenty million, two hundred twenty-one thousand, one hundred ten".