22120101020 has 12 divisors (see below), whose sum is σ = 46452212184. Its totient is φ = 8848040400.

The previous prime is 22120101011. The next prime is 22120101037. The reversal of 22120101020 is 2010102122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22120100992 and 22120101010.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 553002506 + ... + 553002545.

It is an arithmetic number, because the mean of its divisors is an integer number (3871017682).

Almost surely, 2^22120101020 is an apocalyptic number.

22120101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120101020 is an abundant number, since it is smaller than the sum of its proper divisors (24332111164).

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

22120101020 is a wasteful number, since it uses less digits than its factorization.

22120101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106005060 (or 1106005058 counting only the distinct ones).

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

Adding to 22120101020 its reverse (2010102122), we get a palindrome (24130203142).

The spelling of 22120101020 in words is "twenty-two billion, one hundred twenty million, one hundred one thousand, twenty".