100221210212103 has 48 divisors (see below), whose sum is σ = 145770643474560. Its totient is φ = 66350215495872.

The previous prime is 100221210212099. The next prime is 100221210212161. The reversal of 100221210212103 is 301212012122001.

100221210212103 is a `hidden beast` number, since 1 + 0 + 0 + 221 + 210 + 21 + 210 + 3 = 666.

It is not a de Polignac number, because 100221210212103 - 2² = 100221210212099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221210216103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13817893825 + ... + 13817901077.

It is an arithmetic number, because the mean of its divisors is an integer number (3036888405720).

Almost surely, 2^{100221210212103} is an apocalyptic number.

100221210212103 is a deficient number, since it is larger than the sum of its proper divisors (45549433262457).

100221210212103 is a wasteful number, since it uses less digits than its factorization.

100221210212103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13788 (or 13785 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 100221210212103 its reverse (301212012122001), we get a palindrome (401433222334104).

The spelling of 100221210212103 in words is "one hundred trillion, two hundred twenty-one billion, two hundred ten million, two hundred twelve thousand, one hundred three".