1001100030221 has 16 divisors (see below), whose sum is σ = 1034056108800. Its totient is φ = 968692934208.

The previous prime is 1001100030211. The next prime is 1001100030247. The reversal of 1001100030221 is 1220300011001.

It is a cyclic number.

It is not a de Polignac number, because 1001100030221 - 2³⁰ = 1000026288397 is a prime.

It is a super-2 number, since 2×1001100030221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001100030211) 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, 1111535 + ... + 1799363.

It is an arithmetic number, because the mean of its divisors is an integer number (64628506800).

Almost surely, 2^{1001100030221} is an apocalyptic number.

It is an amenable number.

1001100030221 is a deficient number, since it is larger than the sum of its proper divisors (32956078579).

1001100030221 is a wasteful number, since it uses less digits than its factorization.

1001100030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688228.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1001100030221 its reverse (1220300011001), we get a palindrome (2221400041222).

The spelling of 1001100030221 in words is "one trillion, one billion, one hundred million, thirty thousand, two hundred twenty-one".