11020220211 has 64 divisors (see below), whose sum is σ = 19950658560. Its totient is φ = 5224919040.

The previous prime is 11020220179. The next prime is 11020220257. The reversal of 11020220211 is 11202202011.

It is not a de Polignac number, because 11020220211 - 2⁵ = 11020220179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020240211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 246651 + ... + 287883.

It is an arithmetic number, because the mean of its divisors is an integer number (311729040).

Almost surely, 2^11020220211 is an apocalyptic number.

11020220211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11020220211 is a deficient number, since it is larger than the sum of its proper divisors (8930438349).

11020220211 is a wasteful number, since it uses less digits than its factorization.

11020220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41356.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11020220211 its reverse (11202202011), we get a palindrome (22222422222).

The spelling of 11020220211 in words is "eleven billion, twenty million, two hundred twenty thousand, two hundred eleven".