120022000121 has 4 divisors (see below), whose sum is σ = 120025075044. Its totient is φ = 120018925200.

The previous prime is 120022000099. The next prime is 120022000123. The reversal of 120022000121 is 121000220021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18614782096 + 101407218025 = 136436^2 + 318445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120022000121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120022000123) 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, 1478150 + ... + 1557231.

It is an arithmetic number, because the mean of its divisors is an integer number (30006268761).

Almost surely, 2^120022000121 is an apocalyptic number.

It is an amenable number.

120022000121 is a deficient number, since it is larger than the sum of its proper divisors (3074923).

120022000121 is an equidigital number, since it uses as much as digits as its factorization.

120022000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074922.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120022000121 its reverse (121000220021), we get a palindrome (241022220142).

The spelling of 120022000121 in words is "one hundred twenty billion, twenty-two million, one hundred twenty-one", and thus it is an aban number.