121103030233 has 2 divisors, whose sum is σ = 121103030234. Its totient is φ = 121103030232.

The previous prime is 121103030231. The next prime is 121103030249. The reversal of 121103030233 is 332030301121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121095648144 + 7382089 = 347988^2 + 2717^2 .

It is a cyclic number.

It is not a de Polignac number, because 121103030233 - 2¹ = 121103030231 is a prime.

It is a super-2 number, since 2×121103030233² (a number of 23 digits) contains 22 as substring.

Together with 121103030231, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121103030233.

It is not a weakly prime, because it can be changed into another prime (121103030231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551515116 + 60551515117.

It is an arithmetic number, because the mean of its divisors is an integer number (60551515117).

Almost surely, 2^121103030233 is an apocalyptic number.

It is an amenable number.

121103030233 is a deficient number, since it is larger than the sum of its proper divisors (1).

121103030233 is an equidigital number, since it uses as much as digits as its factorization.

121103030233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 121103030233 its reverse (332030301121), we get a palindrome (453133331354).

The spelling of 121103030233 in words is "one hundred twenty-one billion, one hundred three million, thirty thousand, two hundred thirty-three".