121002330121 has 4 divisors (see below), whose sum is σ = 121052520144. Its totient is φ = 120952140100.

The previous prime is 121002330083. The next prime is 121002330143. The reversal of 121002330121 is 121033200121.

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 121002330121 - 2²³ = 120993941513 is a prime.

It is a super-2 number, since 2×121002330121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121002330095 and 121002330104.

It is not an unprimeable number, because it can be changed into a prime (121002330151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25091395 + ... + 25096216.

It is an arithmetic number, because the mean of its divisors is an integer number (30263130036).

Almost surely, 2^121002330121 is an apocalyptic number.

It is an amenable number.

121002330121 is a deficient number, since it is larger than the sum of its proper divisors (50190023).

121002330121 is an equidigital number, since it uses as much as digits as its factorization.

121002330121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50190022.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121002330121 its reverse (121033200121), we get a palindrome (242035530242).

The spelling of 121002330121 in words is "one hundred twenty-one billion, two million, three hundred thirty thousand, one hundred twenty-one".