120002012210221 has 4 divisors (see below), whose sum is σ = 120007517164000. Its totient is φ = 119996507256444.

The previous prime is 120002012210203. The next prime is 120002012210251. The reversal of 120002012210221 is 122012210200021.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-120002012210221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120002012210195 and 120002012210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120002012210251) 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, 2752444191 + ... + 2752487788.

It is an arithmetic number, because the mean of its divisors is an integer number (30001879291000).

Almost surely, 2^{120002012210221} is an apocalyptic number.

It is an amenable number.

120002012210221 is a deficient number, since it is larger than the sum of its proper divisors (5504953779).

120002012210221 is an equidigital number, since it uses as much as digits as its factorization.

120002012210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504953778.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120002012210221 its reverse (122012210200021), we get a palindrome (242014222410242).

The spelling of 120002012210221 in words is "one hundred twenty trillion, two billion, twelve million, two hundred ten thousand, two hundred twenty-one".