105303233142421 has 2 divisors, whose sum is σ = 105303233142422. Its totient is φ = 105303233142420.

The previous prime is 105303233142301. The next prime is 105303233142433. The reversal of 105303233142421 is 124241332303501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57342968280196 + 47960264862225 = 7572514^2 + 6925335^2 .

It is a cyclic number.

It is not a de Polignac number, because 105303233142421 - 2⁷ = 105303233142293 is a prime.

It is a super-2 number, since 2×105303233142421² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105303233142491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52651616571210 + 52651616571211.

It is an arithmetic number, because the mean of its divisors is an integer number (52651616571211).

Almost surely, 2^{105303233142421} is an apocalyptic number.

It is an amenable number.

105303233142421 is a deficient number, since it is larger than the sum of its proper divisors (1).

105303233142421 is an equidigital number, since it uses as much as digits as its factorization.

105303233142421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 105303233142421 its reverse (124241332303501), we get a palindrome (229544565445922).

The spelling of 105303233142421 in words is "one hundred five trillion, three hundred three billion, two hundred thirty-three million, one hundred forty-two thousand, four hundred twenty-one".