120221003100120 has 128 divisors (see below), whose sum is σ = 388447263368640. Its totient is φ = 29589742632960.

The previous prime is 120221003100059. The next prime is 120221003100167. The reversal of 120221003100120 is 21001300122021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120221003100120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10758000 + ... + 18872640.

Almost surely, 2^{120221003100120} is an apocalyptic number.

120221003100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221003100120 is an abundant number, since it is smaller than the sum of its proper divisors (268226260268520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120221003100120 is a wasteful number, since it uses less digits than its factorization.

120221003100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8124165 (or 8124161 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 120221003100120 its reverse (21001300122021), we get a palindrome (141222303222141).

The spelling of 120221003100120 in words is "one hundred twenty trillion, two hundred twenty-one billion, three million, one hundred thousand, one hundred twenty".