120323012100221 has 16 divisors (see below), whose sum is σ = 137670219993600. Its totient is φ = 103015359363840.

The previous prime is 120323012100173. The next prime is 120323012100253. The reversal of 120323012100221 is 122001210323021.

It is not a de Polignac number, because 120323012100221 - 2⁶ = 120323012100157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120323012100193 and 120323012100202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120323012102221) 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, 585447740 + ... + 585653226.

It is an arithmetic number, because the mean of its divisors is an integer number (8604388749600).

Almost surely, 2^{120323012100221} is an apocalyptic number.

It is an amenable number.

120323012100221 is a deficient number, since it is larger than the sum of its proper divisors (17347207893379).

120323012100221 is an equidigital number, since it uses as much as digits as its factorization.

120323012100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301324.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 120323012100221 its reverse (122001210323021), we get a palindrome (242324222423242).

The spelling of 120323012100221 in words is "one hundred twenty trillion, three hundred twenty-three billion, twelve million, one hundred thousand, two hundred twenty-one".