121033310132321 has 4 divisors (see below), whose sum is σ = 121071892637892. Its totient is φ = 120994727626752.

The previous prime is 121033310132303. The next prime is 121033310132323. The reversal of 121033310132321 is 123231013330121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 119576171437921 + 1457138694400 = 10935089^2 + 1207120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121033310132321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121033310132323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19291248080 + ... + 19291254353.

It is an arithmetic number, because the mean of its divisors is an integer number (30267973159473).

Almost surely, 2^{121033310132321} is an apocalyptic number.

It is an amenable number.

121033310132321 is a deficient number, since it is larger than the sum of its proper divisors (38582505571).

121033310132321 is an equidigital number, since it uses as much as digits as its factorization.

121033310132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38582505570.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 121033310132321 its reverse (123231013330121), we get a palindrome (244264323462442).

The spelling of 121033310132321 in words is "one hundred twenty-one trillion, thirty-three billion, three hundred ten million, one hundred thirty-two thousand, three hundred twenty-one".