11222021204 has 24 divisors (see below), whose sum is σ = 20426816256. Its totient is φ = 5388552000.

The previous prime is 11222021203. The next prime is 11222021233. The reversal of 11222021204 is 40212022211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222021201) 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, 329177 + ... + 361664.

It is an arithmetic number, because the mean of its divisors is an integer number (851117344).

Almost surely, 2^11222021204 is an apocalyptic number.

It is an amenable number.

11222021204 is a deficient number, since it is larger than the sum of its proper divisors (9204795052).

11222021204 is a wasteful number, since it uses less digits than its factorization.

11222021204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691007 (or 691005 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11222021204 its reverse (40212022211), we get a palindrome (51434043415).

The spelling of 11222021204 in words is "eleven billion, two hundred twenty-two million, twenty-one thousand, two hundred four".