120112001000221 has 4 divisors (see below), whose sum is σ = 120371422169152. Its totient is φ = 119852579831292.

The previous prime is 120112001000207. The next prime is 120112001000263. The reversal of 120112001000221 is 122000100211021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120112001000221 - 2⁷ = 120112001000093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112001000291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129710583771 + ... + 129710584696.

It is an arithmetic number, because the mean of its divisors is an integer number (30092855542288).

Almost surely, 2^{120112001000221} is an apocalyptic number.

It is an amenable number.

120112001000221 is a deficient number, since it is larger than the sum of its proper divisors (259421168931).

120112001000221 is an equidigital number, since it uses as much as digits as its factorization.

120112001000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259421168930.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120112001000221 its reverse (122000100211021), we get a palindrome (242112101211242).

The spelling of 120112001000221 in words is "one hundred twenty trillion, one hundred twelve billion, one million, two hundred twenty-one", and thus it is an aban number.