10131103221 has 16 divisors (see below), whose sum is σ = 14222384640. Its totient is φ = 6397110000.

The previous prime is 10131103217. The next prime is 10131103231. The reversal of 10131103221 is 12230113101.

It is a happy number.

It is not a de Polignac number, because 10131103221 - 2² = 10131103217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10131103221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131103231) 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, 261346 + ... + 297596.

It is an arithmetic number, because the mean of its divisors is an integer number (888899040).

Almost surely, 2^10131103221 is an apocalyptic number.

It is an amenable number.

10131103221 is a deficient number, since it is larger than the sum of its proper divisors (4091281419).

10131103221 is a wasteful number, since it uses less digits than its factorization.

10131103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41176.

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

Adding to 10131103221 its reverse (12230113101), we get a palindrome (22361216322).

The spelling of 10131103221 in words is "ten billion, one hundred thirty-one million, one hundred three thousand, two hundred twenty-one".