120120210121 has 8 divisors (see below), whose sum is σ = 127191444480. Its totient is φ = 113049569088.

The previous prime is 120120210107. The next prime is 120120210149. The reversal of 120120210121 is 121012021021.

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 120120210121 - 2³³ = 111530275529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120120210151) 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, 308760 + ... + 579286.

It is an arithmetic number, because the mean of its divisors is an integer number (15898930560).

Almost surely, 2^120120210121 is an apocalyptic number.

It is an amenable number.

120120210121 is a deficient number, since it is larger than the sum of its proper divisors (7071234359).

120120210121 is a wasteful number, since it uses less digits than its factorization.

120120210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296663.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120120210121 its reverse (121012021021), we get a palindrome (241132231142).

The spelling of 120120210121 in words is "one hundred twenty billion, one hundred twenty million, two hundred ten thousand, one hundred twenty-one".