121123332213321 has 32 divisors (see below), whose sum is σ = 167417658805248. Its totient is φ = 77829913506240.

The previous prime is 121123332213287. The next prime is 121123332213337. The reversal of 121123332213321 is 123312233321121.

It is a happy number.

It is not a de Polignac number, because 121123332213321 - 2¹³ = 121123332205129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121123332213361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459638826 + ... + 459902268.

It is an arithmetic number, because the mean of its divisors is an integer number (5231801837664).

Almost surely, 2^{121123332213321} is an apocalyptic number.

It is an amenable number.

121123332213321 is a deficient number, since it is larger than the sum of its proper divisors (46294326591927).

121123332213321 is a wasteful number, since it uses less digits than its factorization.

121123332213321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302301.

The product of its digits is 7776, while the sum is 30.

Adding to 121123332213321 its reverse (123312233321121), we get a palindrome (244435565534442).

The spelling of 121123332213321 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, three hundred thirty-two million, two hundred thirteen thousand, three hundred twenty-one".