120221021042 has 16 divisors (see below), whose sum is σ = 180786712320. Its totient is φ = 59958975312.

The previous prime is 120221021017. The next prime is 120221021069. The reversal of 120221021042 is 240120122021.

It is a self number, because there is not a number n which added to its sum of digits gives 120221021042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228388 + ... + 1322640.

It is an arithmetic number, because the mean of its divisors is an integer number (11299169520).

Almost surely, 2^120221021042 is an apocalyptic number.

120221021042 is a deficient number, since it is larger than the sum of its proper divisors (60565691278).

120221021042 is an equidigital number, since it uses as much as digits as its factorization.

120221021042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95857.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120221021042 its reverse (240120122021), we get a palindrome (360341143063).

The spelling of 120221021042 in words is "one hundred twenty billion, two hundred twenty-one million, twenty-one thousand, forty-two".