11212022020 has 24 divisors (see below), whose sum is σ = 24046210944. Its totient is φ = 4389386976.

The previous prime is 11212022011. The next prime is 11212022023. The reversal of 11212022020 is 2022021211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11212022023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5962902 + ... + 5964781.

It is an arithmetic number, because the mean of its divisors is an integer number (1001925456).

Almost surely, 2^11212022020 is an apocalyptic number.

11212022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212022020 is an abundant number, since it is smaller than the sum of its proper divisors (12834188924).

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

11212022020 is a wasteful number, since it uses less digits than its factorization.

11212022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11927739 (or 11927737 counting only the distinct ones).

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

Adding to 11212022020 its reverse (2022021211), we get a palindrome (13234043231).

The spelling of 11212022020 in words is "eleven billion, two hundred twelve million, twenty-two thousand, twenty".