120112001020221 has 16 divisors (see below), whose sum is σ = 183269591566464. Its totient is φ = 68544761471424.

The previous prime is 120112001020217. The next prime is 120112001020289. The reversal of 120112001020221 is 122020100211021.

It is not a de Polignac number, because 120112001020221 - 2² = 120112001020217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120112001020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112001020421) 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, 3777803850 + ... + 3777835643.

It is an arithmetic number, because the mean of its divisors is an integer number (11454349472904).

Almost surely, 2^{120112001020221} is an apocalyptic number.

It is an amenable number.

120112001020221 is a deficient number, since it is larger than the sum of its proper divisors (63157590546243).

120112001020221 is an equidigital number, since it uses as much as digits as its factorization.

120112001020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7555640260.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120112001020221 its reverse (122020100211021), we get a palindrome (242132101231242).

The spelling of 120112001020221 in words is "one hundred twenty trillion, one hundred twelve billion, one million, twenty thousand, two hundred twenty-one".