10010110221 has 16 divisors (see below), whose sum is σ = 15702134400. Its totient is φ = 6280853184.

The previous prime is 10010110219. The next prime is 10010110237. The reversal of 10010110221 is 12201101001.

It is a happy number.

It is not a de Polignac number, because 10010110221 - 2¹ = 10010110219 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 (10010110321) 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, 10903801 + ... + 10904718.

It is an arithmetic number, because the mean of its divisors is an integer number (981383400).

Almost surely, 2^10010110221 is an apocalyptic number.

It is an amenable number.

10010110221 is a deficient number, since it is larger than the sum of its proper divisors (5692024179).

10010110221 is a wasteful number, since it uses less digits than its factorization.

10010110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21808545 (or 21808539 counting only the distinct ones).

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

Adding to 10010110221 its reverse (12201101001), we get a palindrome (22211211222).

The spelling of 10010110221 in words is "ten billion, ten million, one hundred ten thousand, two hundred twenty-one".