121143234121 has 8 divisors (see below), whose sum is σ = 149099365184. Its totient is φ = 95849591760.

The previous prime is 121143234109. The next prime is 121143234161. The reversal of 121143234121 is 121432341121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121143234121 - 2⁵ = 121143234089 is a prime.

It is a super-3 number, since 3×121143234121³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121143234161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665622075 + ... + 665622256.

It is an arithmetic number, because the mean of its divisors is an integer number (18637420648).

Almost surely, 2^121143234121 is an apocalyptic number.

It is an amenable number.

121143234121 is a deficient number, since it is larger than the sum of its proper divisors (27956131063).

121143234121 is a wasteful number, since it uses less digits than its factorization.

121143234121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331244351.

The product of its digits is 1152, while the sum is 25.

Adding to 121143234121 its reverse (121432341121), we get a palindrome (242575575242).

The spelling of 121143234121 in words is "one hundred twenty-one billion, one hundred forty-three million, two hundred thirty-four thousand, one hundred twenty-one".