121343332433 has 4 divisors (see below), whose sum is σ = 122544751668. Its totient is φ = 120141913200.

The previous prime is 121343332423. The next prime is 121343332471. The reversal of 121343332433 is 334233343121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 334233343121 = 101 ⋅3309241021.

It can be written as a sum of positive squares in 2 ways, for example, as 55926574144 + 65416758289 = 236488^2 + 255767^2 .

It is a cyclic number.

It is not a de Polignac number, because 121343332433 - 2⁸ = 121343332177 is a prime.

It is a super-4 number, since 4×121343332433⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121343332433.

It is not an unprimeable number, because it can be changed into a prime (121343332423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600709466 + ... + 600709667.

It is an arithmetic number, because the mean of its divisors is an integer number (30636187917).

Almost surely, 2^121343332433 is an apocalyptic number.

It is an amenable number.

121343332433 is a deficient number, since it is larger than the sum of its proper divisors (1201419235).

121343332433 is a wasteful number, since it uses less digits than its factorization.

121343332433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201419234.

The product of its digits is 46656, while the sum is 32.

Adding to 121343332433 its reverse (334233343121), we get a palindrome (455576675554).

The spelling of 121343332433 in words is "one hundred twenty-one billion, three hundred forty-three million, three hundred thirty-two thousand, four hundred thirty-three".