121143242234 has 24 divisors (see below), whose sum is σ = 217095645780. Its totient is φ = 50515327296.

The previous prime is 121143242159. The next prime is 121143242239. The reversal of 121143242234 is 432242341121.

It can be written as a sum of positive squares in 2 ways, for example, as 121136714209 + 6528025 = 348047^2 + 2555^2 .

It is a super-3 number, since 3×121143242234³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121143242197 and 121143242206.

It is not an unprimeable number, because it can be changed into a prime (121143242239) 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, 16701179 + ... + 16708430.

Almost surely, 2^121143242234 is an apocalyptic number.

121143242234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121143242234 is a deficient number, since it is larger than the sum of its proper divisors (95952403546).

121143242234 is a wasteful number, since it uses less digits than its factorization.

121143242234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33409662 (or 33409655 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 121143242234 its reverse (432242341121), we get a palindrome (553385583355).

The spelling of 121143242234 in words is "one hundred twenty-one billion, one hundred forty-three million, two hundred forty-two thousand, two hundred thirty-four".