103521202451 has 2 divisors, whose sum is σ = 103521202452. Its totient is φ = 103521202450.

The previous prime is 103521202397. The next prime is 103521202453. The reversal of 103521202451 is 154202125301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103521202451 - 2⁶ = 103521202387 is a prime.

Together with 103521202453, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103521202451.

It is not a weakly prime, because it can be changed into another prime (103521202453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51760601225 + 51760601226.

It is an arithmetic number, because the mean of its divisors is an integer number (51760601226).

Almost surely, 2^103521202451 is an apocalyptic number.

103521202451 is a deficient number, since it is larger than the sum of its proper divisors (1).

103521202451 is an equidigital number, since it uses as much as digits as its factorization.

103521202451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 103521202451 its reverse (154202125301), we get a palindrome (257723327752).

The spelling of 103521202451 in words is "one hundred three billion, five hundred twenty-one million, two hundred two thousand, four hundred fifty-one".