10121208403 has 2 divisors, whose sum is σ = 10121208404. Its totient is φ = 10121208402.

The previous prime is 10121208371. The next prime is 10121208421. The reversal of 10121208403 is 30480212101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10121208403 - 2⁵ = 10121208371 is a prime.

It is not a weakly prime, because it can be changed into another prime (10121208473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060604201 + 5060604202.

It is an arithmetic number, because the mean of its divisors is an integer number (5060604202).

Almost surely, 2^10121208403 is an apocalyptic number.

10121208403 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121208403 is an equidigital number, since it uses as much as digits as its factorization.

10121208403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

The spelling of 10121208403 in words is "ten billion, one hundred twenty-one million, two hundred eight thousand, four hundred three".