321010120100103 has 16 divisors (see below), whose sum is σ = 489162195920640. Its totient is φ = 183432885215616.

The previous prime is 321010120100053. The next prime is 321010120100141. The reversal of 321010120100103 is 301001021010123.

It is a happy number.

It is not a de Polignac number, because 321010120100103 - 2³⁰ = 321009046358279 is a prime.

It is a super-2 number, since 2×321010120100103² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321010120100303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58526418 + ... + 63775871.

It is an arithmetic number, because the mean of its divisors is an integer number (30572637245040).

Almost surely, 2^{321010120100103} is an apocalyptic number.

321010120100103 is a deficient number, since it is larger than the sum of its proper divisors (168152075820537).

321010120100103 is a wasteful number, since it uses less digits than its factorization.

321010120100103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122427286.

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

Adding to 321010120100103 its reverse (301001021010123), we get a palindrome (622011141110226).

The spelling of 321010120100103 in words is "three hundred twenty-one trillion, ten billion, one hundred twenty million, one hundred thousand, one hundred three".