10121012303 has 2 divisors, whose sum is σ = 10121012304. Its totient is φ = 10121012302.

The previous prime is 10121012269. The next prime is 10121012327. The reversal of 10121012303 is 30321012101.

It is a strong prime.

It is an emirp because it is prime and its reverse (30321012101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10121012303 - 2⁸ = 10121012047 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121012333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060506151 + 5060506152.

It is an arithmetic number, because the mean of its divisors is an integer number (5060506152).

Almost surely, 2^10121012303 is an apocalyptic number.

10121012303 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121012303 is an equidigital number, since it uses as much as digits as its factorization.

10121012303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10121012303 its reverse (30321012101), we get a palindrome (40442024404).

The spelling of 10121012303 in words is "ten billion, one hundred twenty-one million, twelve thousand, three hundred three".