121030002001 has 2 divisors, whose sum is σ = 121030002002. Its totient is φ = 121030002000.

The previous prime is 121030001933. The next prime is 121030002013. The reversal of 121030002001 is 100200030121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103249112976 + 17780889025 = 321324^2 + 133345^2 .

It is a cyclic number.

It is not a de Polignac number, because 121030002001 - 2⁹ = 121030001489 is a prime.

It is a super-2 number, since 2×121030002001² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121030002101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60515001000 + 60515001001.

It is an arithmetic number, because the mean of its divisors is an integer number (60515001001).

Almost surely, 2^121030002001 is an apocalyptic number.

It is an amenable number.

121030002001 is a deficient number, since it is larger than the sum of its proper divisors (1).

121030002001 is an equidigital number, since it uses as much as digits as its factorization.

121030002001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 121030002001 its reverse (100200030121), we get a palindrome (221230032122).

The spelling of 121030002001 in words is "one hundred twenty-one billion, thirty million, two thousand, one".