121132311033 has 4 divisors (see below), whose sum is σ = 161509748048. Its totient is φ = 80754874020.

The previous prime is 121132311023. The next prime is 121132311049. The reversal of 121132311033 is 330113231121.

It is a happy number.

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.

It is not a de Polignac number, because 121132311033 - 2⁴ = 121132311017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121132311023) 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, 20188718503 + ... + 20188718508.

It is an arithmetic number, because the mean of its divisors is an integer number (40377437012).

Almost surely, 2^121132311033 is an apocalyptic number.

It is an amenable number.

121132311033 is a deficient number, since it is larger than the sum of its proper divisors (40377437015).

121132311033 is an equidigital number, since it uses as much as digits as its factorization.

121132311033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40377437014.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121132311033 its reverse (330113231121), we get a palindrome (451245542154).

The spelling of 121132311033 in words is "one hundred twenty-one billion, one hundred thirty-two million, three hundred eleven thousand, thirty-three".