120222211000121 has 6 divisors (see below), whose sum is σ = 127710099574830. Its totient is φ = 113150316235136.

The previous prime is 120222211000109. The next prime is 120222211000147. The reversal of 120222211000121 is 121000112222021.

It can be written as a sum of positive squares in 3 ways, for example, as 40727511639721 + 79494699360400 = 6381811^2 + 8915980^2 .

It is not a de Polignac number, because 120222211000121 - 2³⁰ = 120221137258297 is a prime.

It is a super-2 number, since 2×120222211000121² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120222211000121.

It is not an unprimeable number, because it can be changed into a prime (120222211005121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207996904556 + ... + 207996905133.

It is an arithmetic number, because the mean of its divisors is an integer number (21285016595805).

Almost surely, 2^{120222211000121} is an apocalyptic number.

It is an amenable number.

120222211000121 is a deficient number, since it is larger than the sum of its proper divisors (7487888574709).

120222211000121 is an equidigital number, since it uses as much as digits as its factorization.

120222211000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415993809723 (or 415993809706 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120222211000121 its reverse (121000112222021), we get a palindrome (241222323222142).

The spelling of 120222211000121 in words is "one hundred twenty trillion, two hundred twenty-two billion, two hundred eleven million, one hundred twenty-one", and thus it is an aban number.