121330230121 has 16 divisors (see below), whose sum is σ = 126382975488. Its totient is φ = 116353440000.

The previous prime is 121330230053. The next prime is 121330230149. The reversal of 121330230121 is 121032033121.

It is a cyclic number.

It is not a de Polignac number, because 121330230121 - 2¹⁵ = 121330197353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121330530121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1493281 + ... + 1572433.

It is an arithmetic number, because the mean of its divisors is an integer number (7898935968).

Almost surely, 2^121330230121 is an apocalyptic number.

It is an amenable number.

121330230121 is a deficient number, since it is larger than the sum of its proper divisors (5052745367).

121330230121 is a wasteful number, since it uses less digits than its factorization.

121330230121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79632.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121330230121 its reverse (121032033121), we get a palindrome (242362263242).

The spelling of 121330230121 in words is "one hundred twenty-one billion, three hundred thirty million, two hundred thirty thousand, one hundred twenty-one".