10122131221351 has 2 divisors, whose sum is σ = 10122131221352. Its totient is φ = 10122131221350.

The previous prime is 10122131221207. The next prime is 10122131221381. The reversal of 10122131221351 is 15312213122101.

10122131221351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10122131221351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10122131221381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061065610675 + 5061065610676.

It is an arithmetic number, because the mean of its divisors is an integer number (5061065610676).

Almost surely, 2^{10122131221351} is an apocalyptic number.

10122131221351 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122131221351 is an equidigital number, since it uses as much as digits as its factorization.

10122131221351 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 25.

Adding to 10122131221351 its reverse (15312213122101), we get a palindrome (25434344343452).

The spelling of 10122131221351 in words is "ten trillion, one hundred twenty-two billion, one hundred thirty-one million, two hundred twenty-one thousand, three hundred fifty-one".