121030212133 has 2 divisors, whose sum is σ = 121030212134. Its totient is φ = 121030212132.

The previous prime is 121030212089. The next prime is 121030212137. The reversal of 121030212133 is 331212030121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63745140484 + 57285071649 = 252478^2 + 239343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121030212133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121030212133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121030212137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60515106066 + 60515106067.

It is an arithmetic number, because the mean of its divisors is an integer number (60515106067).

Almost surely, 2^121030212133 is an apocalyptic number.

It is an amenable number.

121030212133 is a deficient number, since it is larger than the sum of its proper divisors (1).

121030212133 is an equidigital number, since it uses as much as digits as its factorization.

121030212133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121030212133 its reverse (331212030121), we get a palindrome (452242242254).

The spelling of 121030212133 in words is "one hundred twenty-one billion, thirty million, two hundred twelve thousand, one hundred thirty-three".