2421010313251 has 2 divisors, whose sum is σ = 2421010313252. Its totient is φ = 2421010313250.

The previous prime is 2421010313243. The next prime is 2421010313383. The reversal of 2421010313251 is 1523130101242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2421010313251 - 2³ = 2421010313243 is a prime.

It is a super-2 number, since 2×2421010313251² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2421010313551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210505156625 + 1210505156626.

It is an arithmetic number, because the mean of its divisors is an integer number (1210505156626).

Almost surely, 2^{2421010313251} is an apocalyptic number.

2421010313251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421010313251 is an equidigital number, since it uses as much as digits as its factorization.

2421010313251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 2421010313251 its reverse (1523130101242), we get a palindrome (3944140414493).

The spelling of 2421010313251 in words is "two trillion, four hundred twenty-one billion, ten million, three hundred thirteen thousand, two hundred fifty-one".