11012022020 has 24 divisors (see below), whose sum is σ = 23291620800. Its totient is φ = 4373118432.

The previous prime is 11012021989. The next prime is 11012022031. The reversal of 11012022020 is 2022021011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11012021992 and 11012022010.

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, 1977800 + ... + 1983359.

It is an arithmetic number, because the mean of its divisors is an integer number (970484200).

Almost surely, 2^11012022020 is an apocalyptic number.

11012022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012022020 is an abundant number, since it is smaller than the sum of its proper divisors (12279598780).

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

11012022020 is a wasteful number, since it uses less digits than its factorization.

11012022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961307 (or 3961305 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11012022020 its reverse (2022021011), we get a palindrome (13034043031).

The spelling of 11012022020 in words is "eleven billion, twelve million, twenty-two thousand, twenty".