121102431033 has 4 divisors (see below), whose sum is σ = 161469908048. Its totient is φ = 80734954020.

The previous prime is 121102431019. The next prime is 121102431061. The reversal of 121102431033 is 330134201121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 330134201121 = 3 ⋅110044733707.

It is not a de Polignac number, because 121102431033 - 2⁴ = 121102431017 is a prime.

It is a super-3 number, since 3×121102431033³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121102431083) 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 3 ways as a sum of consecutive naturals, for example, 20183738503 + ... + 20183738508.

It is an arithmetic number, because the mean of its divisors is an integer number (40367477012).

Almost surely, 2^121102431033 is an apocalyptic number.

It is an amenable number.

121102431033 is a deficient number, since it is larger than the sum of its proper divisors (40367477015).

121102431033 is an equidigital number, since it uses as much as digits as its factorization.

121102431033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40367477014.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121102431033 its reverse (330134201121), we get a palindrome (451236632154).

The spelling of 121102431033 in words is "one hundred twenty-one billion, one hundred two million, four hundred thirty-one thousand, thirty-three".