30103200121 has 2 divisors, whose sum is σ = 30103200122. Its totient is φ = 30103200120.

The previous prime is 30103200089. The next prime is 30103200139. The reversal of 30103200121 is 12100230103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29976074496 + 127125625 = 173136^2 + 11275^2 .

It is a cyclic number.

It is not a de Polignac number, because 30103200121 - 2⁵ = 30103200089 is a prime.

It is not a weakly prime, because it can be changed into another prime (30103200521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051600060 + 15051600061.

It is an arithmetic number, because the mean of its divisors is an integer number (15051600061).

Almost surely, 2^30103200121 is an apocalyptic number.

It is an amenable number.

30103200121 is a deficient number, since it is larger than the sum of its proper divisors (1).

30103200121 is an equidigital number, since it uses as much as digits as its factorization.

30103200121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30103200121 its reverse (12100230103), we get a palindrome (42203430224).

The spelling of 30103200121 in words is "thirty billion, one hundred three million, two hundred thousand, one hundred twenty-one".