11020102202221 has 16 divisors (see below), whose sum is σ = 13335338565504. Its totient is φ = 8890107254784.

The previous prime is 11020102202191. The next prime is 11020102202231. The reversal of 11020102202221 is 12220220102011.

It is a happy number.

11020102202221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11020102202221 - 2⁵ = 11020102202189 is a prime.

It is a super-2 number, since 2×11020102202221² (a number of 27 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 = 11020102202195 and 11020102202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020102202231) 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, 30516906 + ... + 30875908.

It is an arithmetic number, because the mean of its divisors is an integer number (833458660344).

Almost surely, 2^{11020102202221} is an apocalyptic number.

It is an amenable number.

11020102202221 is a deficient number, since it is larger than the sum of its proper divisors (2315236363283).

11020102202221 is a wasteful number, since it uses less digits than its factorization.

11020102202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616980.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11020102202221 its reverse (12220220102011), we get a palindrome (23240322304232).

The spelling of 11020102202221 in words is "eleven trillion, twenty billion, one hundred two million, two hundred two thousand, two hundred twenty-one".