10121124451 has 2 divisors, whose sum is σ = 10121124452. Its totient is φ = 10121124450.

The previous prime is 10121124443. The next prime is 10121124457. The reversal of 10121124451 is 15442112101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10121124451 - 2³ = 10121124443 is a prime.

It is not a weakly prime, because it can be changed into another prime (10121124457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060562225 + 5060562226.

It is an arithmetic number, because the mean of its divisors is an integer number (5060562226).

Almost surely, 2^10121124451 is an apocalyptic number.

10121124451 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121124451 is an equidigital number, since it uses as much as digits as its factorization.

10121124451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 10121124451 its reverse (15442112101), we get a palindrome (25563236552).

The spelling of 10121124451 in words is "ten billion, one hundred twenty-one million, one hundred twenty-four thousand, four hundred fifty-one".