11022212020 has 24 divisors (see below), whose sum is σ = 23150260224. Its totient is φ = 4408196256.

The previous prime is 11022211969. The next prime is 11022212039. The reversal of 11022212020 is 2021222011.

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, 99789 + ... + 178891.

It is an arithmetic number, because the mean of its divisors is an integer number (964594176).

Almost surely, 2^11022212020 is an apocalyptic number.

11022212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022212020 is an abundant number, since it is smaller than the sum of its proper divisors (12128048204).

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

11022212020 is a wasteful number, since it uses less digits than its factorization.

11022212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86079 (or 86077 counting only the distinct ones).

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

Adding to 11022212020 its reverse (2021222011), we get a palindrome (13043434031).

Subtracting from 11022212020 its reverse (2021222011), we obtain a palindrome (9000990009).

It can be divided in two parts, 1102 and 2212020, that added together give a palindrome (2213122).

The spelling of 11022212020 in words is "eleven billion, twenty-two million, two hundred twelve thousand, twenty".