121123323321121 has 12 divisors (see below), whose sum is σ = 133150199706832. Its totient is φ = 110099998899000.

The previous prime is 121123323321109. The next prime is 121123323321139.

121123323321121 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 121123323321121 - 2¹⁵ = 121123323288353 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 121123323321121.

It is not an unprimeable number, because it can be changed into a prime (121123323301121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53955495 + ... + 56155516.

Almost surely, 2^{121123323321121} is an apocalyptic number.

121123323321121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121123323321121 is a deficient number, since it is larger than the sum of its proper divisors (12026876385711).

121123323321121 is a wasteful number, since it uses less digits than its factorization.

121123323321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110120124 (or 110120113 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

It can be divided in two parts, 12112 and 3323321121, that added together give a palindrome (3323333233).

The spelling of 121123323321121 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, three hundred twenty-three million, three hundred twenty-one thousand, one hundred twenty-one".