10100110221 has 12 divisors (see below), whose sum is σ = 15223354848. Its totient is φ = 6440649864.

The previous prime is 10100110213. The next prime is 10100110247. The reversal of 10100110221 is 12201100101.

It is a happy number.

It is not a de Polignac number, because 10100110221 - 2³ = 10100110213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100110271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24396195 + ... + 24396608.

It is an arithmetic number, because the mean of its divisors is an integer number (1268612904).

Almost surely, 2^10100110221 is an apocalyptic number.

It is an amenable number.

10100110221 is a deficient number, since it is larger than the sum of its proper divisors (5123244627).

10100110221 is a wasteful number, since it uses less digits than its factorization.

10100110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48792832 (or 48792829 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10100110221 its reverse (12201100101), we get a palindrome (22301210322).

The spelling of 10100110221 in words is "ten billion, one hundred million, one hundred ten thousand, two hundred twenty-one".