120102021212221 has 8 divisors (see below), whose sum is σ = 125323958199744. Its totient is φ = 114880093389600.

The previous prime is 120102021212209. The next prime is 120102021212269. The reversal of 120102021212221 is 122212120201021.

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 120102021212221 - 2³⁷ = 119964582258749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102021272221) 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, 47631646 + ... + 50089696.

It is an arithmetic number, because the mean of its divisors is an integer number (15665494774968).

Almost surely, 2^{120102021212221} is an apocalyptic number.

It is an amenable number.

120102021212221 is a deficient number, since it is larger than the sum of its proper divisors (5221936987523).

120102021212221 is a wasteful number, since it uses less digits than its factorization.

120102021212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4582451.

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

Adding to 120102021212221 its reverse (122212120201021), we get a palindrome (242314141413242).

The spelling of 120102021212221 in words is "one hundred twenty trillion, one hundred two billion, twenty-one million, two hundred twelve thousand, two hundred twenty-one".