120020221002121 has 8 divisors (see below), whose sum is σ = 130936019102784. Its totient is φ = 109105234387920.

The previous prime is 120020221002079. The next prime is 120020221002139. The reversal of 120020221002121 is 121200122020021.

It is a happy number.

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 120020221002121 - 2²¹ = 120020218904969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120020221002095 and 120020221002104.

It is not an unprimeable number, because it can be changed into a prime (120020221002161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202562341 + ... + 203153986.

It is an arithmetic number, because the mean of its divisors is an integer number (16367002387848).

Almost surely, 2^{120020221002121} is an apocalyptic number.

120020221002121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120020221002121 is a deficient number, since it is larger than the sum of its proper divisors (10915798100663).

120020221002121 is a wasteful number, since it uses less digits than its factorization.

120020221002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405743231.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120020221002121 its reverse (121200122020021), we get a palindrome (241220343022142).

The spelling of 120020221002121 in words is "one hundred twenty trillion, twenty billion, two hundred twenty-one million, two thousand, one hundred twenty-one".