11020021222 has 16 divisors (see below), whose sum is σ = 18895889952. Its totient is φ = 4721760000.

The previous prime is 11020021213. The next prime is 11020021241. The reversal of 11020021222 is 22212002011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28779 + ... + 151222.

It is an arithmetic number, because the mean of its divisors is an integer number (1180993122).

Almost surely, 2^11020021222 is an apocalyptic number.

11020021222 is a deficient number, since it is larger than the sum of its proper divisors (7875868730).

11020021222 is a wasteful number, since it uses less digits than its factorization.

11020021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184383.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11020021222 its reverse (22212002011), we get a palindrome (33232023233).

The spelling of 11020021222 in words is "eleven billion, twenty million, twenty-one thousand, two hundred twenty-two".