120212110210221 has 12 divisors (see below), whose sum is σ = 182778647103520. Its totient is φ = 75923438027400.

The previous prime is 120212110210207. The next prime is 120212110210229. The reversal of 120212110210221 is 122012011212021.

120212110210221 is a `hidden beast` number, since 1 + 2 + 0 + 21 + 211 + 0 + 210 + 221 = 666.

It is not a de Polignac number, because 120212110210221 - 2⁵ = 120212110210189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120212110210194 and 120212110210203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212110210229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 351497398105 + ... + 351497398446.

Almost surely, 2^{120212110210221} is an apocalyptic number.

It is an amenable number.

120212110210221 is a deficient number, since it is larger than the sum of its proper divisors (62566536893299).

120212110210221 is a wasteful number, since it uses less digits than its factorization.

120212110210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702994796576 (or 702994796573 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120212110210221 its reverse (122012011212021), we get a palindrome (242224121422242).

The spelling of 120212110210221 in words is "one hundred twenty trillion, two hundred twelve billion, one hundred ten million, two hundred ten thousand, two hundred twenty-one".