2201002111221 has 8 divisors (see below), whose sum is σ = 2934686852544. Its totient is φ = 1467326055360.

The previous prime is 2201002111141. The next prime is 2201002111237. The reversal of 2201002111221 is 1221112001022.

2201002111221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2201002111221 - 2³⁷ = 2063563157749 is a prime.

It is a super-2 number, since 2×2201002111221² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2201002111221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201002111271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1555081 + ... + 2611566.

It is an arithmetic number, because the mean of its divisors is an integer number (366835856568).

Almost surely, 2^{2201002111221} is an apocalyptic number.

It is an amenable number.

2201002111221 is a deficient number, since it is larger than the sum of its proper divisors (733684741323).

2201002111221 is a wasteful number, since it uses less digits than its factorization.

2201002111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4342731.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2201002111221 its reverse (1221112001022), we get a palindrome (3422114112243).

The spelling of 2201002111221 in words is "two trillion, two hundred one billion, two million, one hundred eleven thousand, two hundred twenty-one".