120221221002121 has 8 divisors (see below), whose sum is σ = 121951953288000. Its totient is φ = 118502807095920.

The previous prime is 120221221002109. The next prime is 120221221002209. The reversal of 120221221002121 is 121200122122021.

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 120221221002121 - 2²⁵ = 120221187447689 is a prime.

It is a super-3 number, since 3×120221221002121³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120221221008121) 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, 3079575261 + ... + 3079614298.

It is an arithmetic number, because the mean of its divisors is an integer number (15243994161000).

Almost surely, 2^{120221221002121} is an apocalyptic number.

It is an amenable number.

120221221002121 is a deficient number, since it is larger than the sum of its proper divisors (1730732285879).

120221221002121 is a wasteful number, since it uses less digits than its factorization.

120221221002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159189839.

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

Adding to 120221221002121 its reverse (121200122122021), we get a palindrome (241421343124142).

The spelling of 120221221002121 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred twenty-one million, two thousand, one hundred twenty-one".