11020000000221 has 24 divisors (see below), whose sum is σ = 16063999975296. Its totient is φ = 7279482816000.

The previous prime is 11020000000213. The next prime is 11020000000267. The reversal of 11020000000221 is 12200000002011.

It is not a de Polignac number, because 11020000000221 - 2³ = 11020000000213 is a prime.

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 (11020000000921) 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, 12202005 + ... + 13073978.

It is an arithmetic number, because the mean of its divisors is an integer number (669333332304).

Almost surely, 2^{11020000000221} is an apocalyptic number.

It is an amenable number.

11020000000221 is a deficient number, since it is larger than the sum of its proper divisors (5043999975075).

11020000000221 is a wasteful number, since it uses less digits than its factorization.

11020000000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25276433 (or 25276430 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 11020000000221 its reverse (12200000002011), we get a palindrome (23220000002232).

The spelling of 11020000000221 in words is "eleven trillion, twenty billion, two hundred twenty-one", and thus it is an aban number.