22012011130320 has 60 divisors (see below), whose sum is σ = 73923670715076. Its totient is φ = 5869869634560.

The previous prime is 22012011130297. The next prime is 22012011130337. The reversal of 22012011130320 is 2303111021022.

22012011130320 is a `hidden beast` number, since 2 + 201 + 2 + 0 + 11 + 130 + 320 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3842525175696 + 18169485954624 = 1960236^2 + 4262568^2 .

It is a tau number, because it is divible by the number of its divisors (60).

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 = 22012011130293 and 22012011130302.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 15286118121 + ... + 15286119560.

Almost surely, 2^{22012011130320} is an apocalyptic number.

22012011130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012011130320 is an abundant number, since it is smaller than the sum of its proper divisors (51911659584756).

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

22012011130320 is a wasteful number, since it uses less digits than its factorization.

22012011130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30572237700 (or 30572237691 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22012011130320 its reverse (2303111021022), we get a palindrome (24315122151342).

The spelling of 22012011130320 in words is "twenty-two trillion, twelve billion, eleven million, one hundred thirty thousand, three hundred twenty".