120000002221 has 8 divisors (see below), whose sum is σ = 130912665984. Its totient is φ = 109087933920.

The previous prime is 120000002209. The next prime is 120000002257. The reversal of 120000002221 is 122200000021.

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 120000002221 - 2⁷ = 120000002093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120000002198 and 120000002207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000002021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343260 + ... + 598186.

It is an arithmetic number, because the mean of its divisors is an integer number (16364083248).

Almost surely, 2^120000002221 is an apocalyptic number.

120000002221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120000002221 is a deficient number, since it is larger than the sum of its proper divisors (10912663763).

120000002221 is a wasteful number, since it uses less digits than its factorization.

120000002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297731.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 120000002221 its reverse (122200000021), we get a palindrome (242200002242).

The spelling of 120000002221 in words is "one hundred twenty billion, two thousand, two hundred twenty-one".