120002012111221 has 8 divisors (see below), whose sum is σ = 120355726891680. Its totient is φ = 119648617873488.

The previous prime is 120002012111213. The next prime is 120002012111309. The reversal of 120002012111221 is 122111210200021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120002012111221 - 2³ = 120002012111213 is a prime.

It is a super-2 number, since 2×120002012111221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120002012111195 and 120002012111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120002012111021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79385826 + ... + 80883331.

It is an arithmetic number, because the mean of its divisors is an integer number (15044465861460).

Almost surely, 2^{120002012111221} is an apocalyptic number.

It is an amenable number.

120002012111221 is a deficient number, since it is larger than the sum of its proper divisors (353714780459).

120002012111221 is a wasteful number, since it uses less digits than its factorization.

120002012111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160271363.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120002012111221 its reverse (122111210200021), we get a palindrome (242113222311242).

The spelling of 120002012111221 in words is "one hundred twenty trillion, two billion, twelve million, one hundred eleven thousand, two hundred twenty-one".