120201002220121 has 4 divisors (see below), whose sum is σ = 122758470352512. Its totient is φ = 117643534087732.

The previous prime is 120201002220083. The next prime is 120201002220139. The reversal of 120201002220121 is 121022200102021.

It is a happy number.

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 120201002220121 - 2⁴³ = 111404909197913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120201002220095 and 120201002220104.

It is not an unprimeable number, because it can be changed into a prime (120201002220161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1278734066125 + ... + 1278734066218.

It is an arithmetic number, because the mean of its divisors is an integer number (30689617588128).

Almost surely, 2^{120201002220121} is an apocalyptic number.

It is an amenable number.

120201002220121 is a deficient number, since it is larger than the sum of its proper divisors (2557468132391).

120201002220121 is an equidigital number, since it uses as much as digits as its factorization.

120201002220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557468132390.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120201002220121 its reverse (121022200102021), we get a palindrome (241223202322142).

The spelling of 120201002220121 in words is "one hundred twenty trillion, two hundred one billion, two million, two hundred twenty thousand, one hundred twenty-one".