121333213063 has 2 divisors, whose sum is σ = 121333213064. Its totient is φ = 121333213062.

The previous prime is 121333213009. The next prime is 121333213069. The reversal of 121333213063 is 360312333121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121333213063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121333213069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60666606531 + 60666606532.

It is an arithmetic number, because the mean of its divisors is an integer number (60666606532).

Almost surely, 2^121333213063 is an apocalyptic number.

121333213063 is a deficient number, since it is larger than the sum of its proper divisors (1).

121333213063 is an equidigital number, since it uses as much as digits as its factorization.

121333213063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 121333213063 its reverse (360312333121), we get a palindrome (481645546184).

The spelling of 121333213063 in words is "one hundred twenty-one billion, three hundred thirty-three million, two hundred thirteen thousand, sixty-three".