120021122022121 has 8 divisors (see below), whose sum is σ = 126508060912320. Its totient is φ = 113551186905072.

The previous prime is 120021122022079. The next prime is 120021122022161. The reversal of 120021122022121 is 121220221120021.

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 120021122022121 - 2¹¹ = 120021122020073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120021122022161) 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, 4250928790 + ... + 4250957023.

It is an arithmetic number, because the mean of its divisors is an integer number (15813507614040).

Almost surely, 2^{120021122022121} is an apocalyptic number.

It is an amenable number.

120021122022121 is a deficient number, since it is larger than the sum of its proper divisors (6486938890199).

120021122022121 is an equidigital number, since it uses as much as digits as its factorization.

120021122022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8501886575.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120021122022121 its reverse (121220221120021), we get a palindrome (241241343142142).

The spelling of 120021122022121 in words is "one hundred twenty trillion, twenty-one billion, one hundred twenty-two million, twenty-two thousand, one hundred twenty-one".