11020122220 has 24 divisors (see below), whose sum is σ = 23144373504. Its totient is φ = 4407645696.

The previous prime is 11020122209. The next prime is 11020122233. The reversal of 11020122220 is 2222102011.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11020122220.

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, 303477 + ... + 337843.

It is an arithmetic number, because the mean of its divisors is an integer number (964348896).

Almost surely, 2^11020122220 is an apocalyptic number.

11020122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020122220 is an abundant number, since it is smaller than the sum of its proper divisors (12124251284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11020122220 is a wasteful number, since it uses less digits than its factorization.

11020122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50409 (or 50407 counting only the distinct ones).

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

Adding to 11020122220 its reverse (2222102011), we get a palindrome (13242224231).

The spelling of 11020122220 in words is "eleven billion, twenty million, one hundred twenty-two thousand, two hundred twenty".