121033312133 has 8 divisors (see below), whose sum is σ = 121875121368. Its totient is φ = 120193137664.

The previous prime is 121033312111. The next prime is 121033312157. The reversal of 121033312133 is 331213330121.

It can be written as a sum of positive squares in 4 ways, for example, as 95100074689 + 25933237444 = 308383^2 + 161038^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121033312133 - 2¹² = 121033308037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121033312099 and 121033312108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121033312193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259916 + ... + 556437.

It is an arithmetic number, because the mean of its divisors is an integer number (15234390171).

Almost surely, 2^121033312133 is an apocalyptic number.

It is an amenable number.

121033312133 is a deficient number, since it is larger than the sum of its proper divisors (841809235).

121033312133 is an equidigital number, since it uses as much as digits as its factorization.

121033312133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817383.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 121033312133 its reverse (331213330121), we get a palindrome (452246642254).

The spelling of 121033312133 in words is "one hundred twenty-one billion, thirty-three million, three hundred twelve thousand, one hundred thirty-three".