221110200011001 has 24 divisors (see below), whose sum is σ = 342949903121280. Its totient is φ = 126347407133472.

The previous prime is 221110200010961. The next prime is 221110200011033. The reversal of 221110200011001 is 100110002011122.

It is not a de Polignac number, because 221110200011001 - 2⁷ = 221110200010873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221110200011801) 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, 7061040 + ... + 22182846.

It is an arithmetic number, because the mean of its divisors is an integer number (14289579296720).

Almost surely, 2^{221110200011001} is an apocalyptic number.

221110200011001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

221110200011001 is a deficient number, since it is larger than the sum of its proper divisors (121839703110279).

221110200011001 is a wasteful number, since it uses less digits than its factorization.

221110200011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15221293 (or 15221286 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 221110200011001 its reverse (100110002011122), we get a palindrome (321220202022123).

The spelling of 221110200011001 in words is "two hundred twenty-one trillion, one hundred ten billion, two hundred million, eleven thousand, one".