121143433233 has 16 divisors (see below), whose sum is σ = 164648396736. Its totient is φ = 79215326400.

The previous prime is 121143433223. The next prime is 121143433237. The reversal of 121143433233 is 332334341121.

It is not a de Polignac number, because 121143433233 - 2⁴ = 121143433217 is a prime.

It is a super-3 number, since 3×121143433233³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121143433233.

It is not an unprimeable number, because it can be changed into a prime (121143433237) 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, 1835866 + ... + 1900707.

It is an arithmetic number, because the mean of its divisors is an integer number (10290524796).

Almost surely, 2^121143433233 is an apocalyptic number.

It is an amenable number.

121143433233 is a deficient number, since it is larger than the sum of its proper divisors (43504963503).

121143433233 is a wasteful number, since it uses less digits than its factorization.

121143433233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736784.

The product of its digits is 15552, while the sum is 30.

Adding to 121143433233 its reverse (332334341121), we get a palindrome (453477774354).

The spelling of 121143433233 in words is "one hundred twenty-one billion, one hundred forty-three million, four hundred thirty-three thousand, two hundred thirty-three".