11022212122020 has 72 divisors (see below), whose sum is σ = 36473501937600. Its totient is φ = 2672051423040.

The previous prime is 11022212122013. The next prime is 11022212122087. The reversal of 11022212122020 is 2022121222011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11022212121984 and 11022212122002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2783384920 + ... + 2783388879.

It is an arithmetic number, because the mean of its divisors is an integer number (506576415800).

Almost surely, 2^{11022212122020} is an apocalyptic number.

11022212122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022212122020 is an abundant number, since it is smaller than the sum of its proper divisors (25451289815580).

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

11022212122020 is a wasteful number, since it uses less digits than its factorization.

11022212122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566773825 (or 5566773820 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11022212122020 its reverse (2022121222011), we get a palindrome (13044333344031).

Subtracting from 11022212122020 its reverse (2022121222011), we obtain a palindrome (9000090900009).

The spelling of 11022212122020 in words is "eleven trillion, twenty-two billion, two hundred twelve million, one hundred twenty-two thousand, twenty".