30210121103 has 2 divisors, whose sum is σ = 30210121104. Its totient is φ = 30210121102.

The previous prime is 30210121079. The next prime is 30210121153. The reversal of 30210121103 is 30112101203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30210121103 - 2¹⁶ = 30210055567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30210121153) 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, 15105060551 + 15105060552.

It is an arithmetic number, because the mean of its divisors is an integer number (15105060552).

Almost surely, 2^30210121103 is an apocalyptic number.

30210121103 is a deficient number, since it is larger than the sum of its proper divisors (1).

30210121103 is an equidigital number, since it uses as much as digits as its factorization.

30210121103 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 14.

Adding to 30210121103 its reverse (30112101203), we get a palindrome (60322222306).

The spelling of 30210121103 in words is "thirty billion, two hundred ten million, one hundred twenty-one thousand, one hundred three".