10110213221 has 4 divisors (see below), whose sum is σ = 10210314444. Its totient is φ = 10010112000.

The previous prime is 10110213203. The next prime is 10110213227. The reversal of 10110213221 is 12231201101.

10110213221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5409602500 + 4700610721 = 73550^2 + 68561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10110213221 is a prime.

It is a super-2 number, since 2×10110213221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10110213196 and 10110213205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110213227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50050460 + ... + 50050661.

It is an arithmetic number, because the mean of its divisors is an integer number (2552578611).

Almost surely, 2^10110213221 is an apocalyptic number.

It is an amenable number.

10110213221 is a deficient number, since it is larger than the sum of its proper divisors (100101223).

10110213221 is a wasteful number, since it uses less digits than its factorization.

10110213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100101222.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10110213221 its reverse (12231201101), we get a palindrome (22341414322).

The spelling of 10110213221 in words is "ten billion, one hundred ten million, two hundred thirteen thousand, two hundred twenty-one".