121311103112233 has 4 divisors (see below), whose sum is σ = 121783130751060. Its totient is φ = 120839075473408.

The previous prime is 121311103112231. The next prime is 121311103112387. The reversal of 121311103112233 is 332211301113121.

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 119643409814569 + 1667693297664 = 10938163^2 + 1291392^2 .

It is a cyclic number.

It is not a de Polignac number, because 121311103112233 - 2¹ = 121311103112231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121311103112198 and 121311103112207.

It is not an unprimeable number, because it can be changed into a prime (121311103112231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236013819028 + ... + 236013819541.

It is an arithmetic number, because the mean of its divisors is an integer number (30445782687765).

Almost surely, 2^{121311103112233} is an apocalyptic number.

It is an amenable number.

121311103112233 is a deficient number, since it is larger than the sum of its proper divisors (472027638827).

121311103112233 is an equidigital number, since it uses as much as digits as its factorization.

121311103112233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472027638826.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 121311103112233 its reverse (332211301113121), we get a palindrome (453522404225354).

The spelling of 121311103112233 in words is "one hundred twenty-one trillion, three hundred eleven billion, one hundred three million, one hundred twelve thousand, two hundred thirty-three".