22112212010020 has 96 divisors (see below), whose sum is σ = 50754128173056. Its totient is φ = 8025405696000.

The previous prime is 22112212009981. The next prime is 22112212010041. The reversal of 22112212010020 is 2001021221122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22112212009976 and 22112212010003.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 498550845 + ... + 498595195.

It is an arithmetic number, because the mean of its divisors is an integer number (528688835136).

Almost surely, 2^{22112212010020} is an apocalyptic number.

22112212010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112212010020 is an abundant number, since it is smaller than the sum of its proper divisors (28641916163036).

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

22112212010020 is a wasteful number, since it uses less digits than its factorization.

22112212010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48661 (or 48659 counting only the distinct ones).

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

Adding to 22112212010020 its reverse (2001021221122), we get a palindrome (24113233231142).

The spelling of 22112212010020 in words is "twenty-two trillion, one hundred twelve billion, two hundred twelve million, ten thousand, twenty".