103153235021 has 2 divisors, whose sum is σ = 103153235022. Its totient is φ = 103153235020.

The previous prime is 103153234999. The next prime is 103153235033. The reversal of 103153235021 is 120532351301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96973074025 + 6180160996 = 311405^2 + 78614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103153235021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103153255021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51576617510 + 51576617511.

It is an arithmetic number, because the mean of its divisors is an integer number (51576617511).

Almost surely, 2^103153235021 is an apocalyptic number.

It is an amenable number.

103153235021 is a deficient number, since it is larger than the sum of its proper divisors (1).

103153235021 is an equidigital number, since it uses as much as digits as its factorization.

103153235021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 103153235021 its reverse (120532351301), we get a palindrome (223685586322).

The spelling of 103153235021 in words is "one hundred three billion, one hundred fifty-three million, two hundred thirty-five thousand, twenty-one".