120122221212121 has 8 divisors (see below), whose sum is σ = 126451682778080. Its totient is φ = 113793483585888.

The previous prime is 120122221212079. The next prime is 120122221212137. The reversal of 120122221212121 is 121212122221021.

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 120122221212121 - 2²¹ = 120122219114969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120122221212092 and 120122221212101.

It is not an unprimeable number, because it can be changed into a prime (120122221215121) 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, 180644316 + ... + 181308061.

It is an arithmetic number, because the mean of its divisors is an integer number (15806460347260).

Almost surely, 2^{120122221212121} is an apocalyptic number.

It is an amenable number.

120122221212121 is a deficient number, since it is larger than the sum of its proper divisors (6329461565959).

120122221212121 is a wasteful number, since it uses less digits than its factorization.

120122221212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361969863.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 120122221212121 its reverse (121212122221021), we get a palindrome (241334343433142).

The spelling of 120122221212121 in words is "one hundred twenty trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred twelve thousand, one hundred twenty-one".