103100203101021 has 16 divisors (see below), whose sum is σ = 157130563244544. Its totient is φ = 58904842327344.

The previous prime is 103100203101001. The next prime is 103100203101073. The reversal of 103100203101021 is 120101302001301.

It is a happy number.

It is not a de Polignac number, because 103100203101021 - 2⁵ = 103100203100989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103100203101001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398177691 + ... + 398436536.

It is an arithmetic number, because the mean of its divisors is an integer number (9820660202784).

Almost surely, 2^{103100203101021} is an apocalyptic number.

It is an amenable number.

103100203101021 is a deficient number, since it is larger than the sum of its proper divisors (54030360143523).

103100203101021 is an equidigital number, since it uses as much as digits as its factorization.

103100203101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796620400.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 103100203101021 its reverse (120101302001301), we get a palindrome (223201505102322).

The spelling of 103100203101021 in words is "one hundred three trillion, one hundred billion, two hundred three million, one hundred one thousand, twenty-one".