11022221120020 has 48 divisors (see below), whose sum is σ = 25251307292736. Its totient is φ = 4008016800000.

The previous prime is 11022221119993. The next prime is 11022221120023. The reversal of 11022221120020 is 2002112222011.

It is a happy number.

It is a super-2 number, since 2×11022221120020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11022221119976 and 11022221120003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022221120023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14817175 + ... + 15543265.

It is an arithmetic number, because the mean of its divisors is an integer number (526068901932).

Almost surely, 2^{11022221120020} is an apocalyptic number.

11022221120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022221120020 is an abundant number, since it is smaller than the sum of its proper divisors (14229086172716).

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

11022221120020 is a wasteful number, since it uses less digits than its factorization.

11022221120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795112 (or 795110 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11022221120020 its reverse (2002112222011), we get a palindrome (13024333342031).

The spelling of 11022221120020 in words is "eleven trillion, twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, twenty".