1000110010221 has 24 divisors (see below), whose sum is σ = 1737868691520. Its totient is φ = 541412937216.

The previous prime is 1000110010177. The next prime is 1000110010261. The reversal of 1000110010221 is 1220100110001.

It is a happy number.

It is not a de Polignac number, because 1000110010221 - 2⁷ = 1000110010093 is a prime.

It is a super-3 number, since 3×1000110010221³ (a number of 37 digits) contains 333 as substring.

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 (1000110010261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 417755700 + ... + 417758093.

It is an arithmetic number, because the mean of its divisors is an integer number (72411195480).

Almost surely, 2^{1000110010221} is an apocalyptic number.

It is an amenable number.

1000110010221 is a deficient number, since it is larger than the sum of its proper divisors (737758681299).

1000110010221 is a wasteful number, since it uses less digits than its factorization.

1000110010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835513825 (or 835513822 counting only the distinct ones).

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

Adding to 1000110010221 its reverse (1220100110001), we get a palindrome (2220210120222).

The spelling of 1000110010221 in words is "one trillion, one hundred ten million, ten thousand, two hundred twenty-one".