103354351021 has 2 divisors, whose sum is σ = 103354351022. Its totient is φ = 103354351020.

The previous prime is 103354351007. The next prime is 103354351151. The reversal of 103354351021 is 120153453301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101655757225 + 1698593796 = 318835^2 + 41214^2 .

It is a cyclic number.

It is not a de Polignac number, because 103354351021 - 2²¹ = 103352253869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103354351921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51677175510 + 51677175511.

It is an arithmetic number, because the mean of its divisors is an integer number (51677175511).

Almost surely, 2^103354351021 is an apocalyptic number.

It is an amenable number.

103354351021 is a deficient number, since it is larger than the sum of its proper divisors (1).

103354351021 is an equidigital number, since it uses as much as digits as its factorization.

103354351021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 103354351021 in words is "one hundred three billion, three hundred fifty-four million, three hundred fifty-one thousand, twenty-one".