10103203212251 has 2 divisors, whose sum is σ = 10103203212252. Its totient is φ = 10103203212250.

The previous prime is 10103203212239. The next prime is 10103203212307. The reversal of 10103203212251 is 15221230230101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10103203212251 is a prime.

It is not a weakly prime, because it can be changed into another prime (10103203212211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051601606125 + 5051601606126.

It is an arithmetic number, because the mean of its divisors is an integer number (5051601606126).

Almost surely, 2^{10103203212251} is an apocalyptic number.

10103203212251 is a deficient number, since it is larger than the sum of its proper divisors (1).

10103203212251 is an equidigital number, since it uses as much as digits as its factorization.

10103203212251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 10103203212251 its reverse (15221230230101), we get a palindrome (25324433442352).

The spelling of 10103203212251 in words is "ten trillion, one hundred three billion, two hundred three million, two hundred twelve thousand, two hundred fifty-one".