121030440133 has 2 divisors, whose sum is σ = 121030440134. Its totient is φ = 121030440132.

The previous prime is 121030440121. The next prime is 121030440143. The reversal of 121030440133 is 331044030121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104799170529 + 16231269604 = 323727^2 + 127402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121030440133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121030440143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60515220066 + 60515220067.

It is an arithmetic number, because the mean of its divisors is an integer number (60515220067).

Almost surely, 2^121030440133 is an apocalyptic number.

It is an amenable number.

121030440133 is a deficient number, since it is larger than the sum of its proper divisors (1).

121030440133 is an equidigital number, since it uses as much as digits as its factorization.

121030440133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 121030440133 its reverse (331044030121), we get a palindrome (452074470254).

The spelling of 121030440133 in words is "one hundred twenty-one billion, thirty million, four hundred forty thousand, one hundred thirty-three".