11222012212020 has 72 divisors (see below), whose sum is σ = 34087447779840. Its totient is φ = 2988374473920.

The previous prime is 11222012212009. The next prime is 11222012212027. The reversal of 11222012212020 is 2021221022211.

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 = 11222012211984 and 11222012212002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222012212027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43225596 + ... + 43484435.

It is an arithmetic number, because the mean of its divisors is an integer number (473436774720).

Almost surely, 2^{11222012212020} is an apocalyptic number.

11222012212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222012212020 is an abundant number, since it is smaller than the sum of its proper divisors (22865435567820).

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

11222012212020 is a wasteful number, since it uses less digits than its factorization.

11222012212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86710765 (or 86710760 counting only the distinct ones).

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

Adding to 11222012212020 its reverse (2021221022211), we get a palindrome (13243233234231).

The spelling of 11222012212020 in words is "eleven trillion, two hundred twenty-two billion, twelve million, two hundred twelve thousand, twenty".