120121021222201 has 4 divisors (see below), whose sum is σ = 122676787631232. Its totient is φ = 117565254813172.

The previous prime is 120121021222063. The next prime is 120121021222231. The reversal of 120121021222201 is 102222120121021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120121021222201 - 2¹⁷ = 120121021091129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120121021222231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277883204445 + ... + 1277883204538.

It is an arithmetic number, because the mean of its divisors is an integer number (30669196907808).

Almost surely, 2^{120121021222201} is an apocalyptic number.

It is an amenable number.

120121021222201 is a deficient number, since it is larger than the sum of its proper divisors (2555766409031).

120121021222201 is an equidigital number, since it uses as much as digits as its factorization.

120121021222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555766409030.

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

Adding to 120121021222201 its reverse (102222120121021), we get a palindrome (222343141343222).

The spelling of 120121021222201 in words is "one hundred twenty trillion, one hundred twenty-one billion, twenty-one million, two hundred twenty-two thousand, two hundred one".