22000120020112 has 40 divisors (see below), whose sum is σ = 45928553493816. Its totient is φ = 10148491723776.

The previous prime is 22000120020077. The next prime is 22000120020113. The reversal of 22000120020112 is 21102002100022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 560108547216 + 21440011472896 = 748404^2 + 4630336^2 .

It is a super-4 number, since 4×22000120020112⁴ (a number of 54 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 22000120020092 and 22000120020101.

It is not an unprimeable number, because it can be changed into a prime (22000120020113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27784813 + ... + 28565644.

Almost surely, 2^{22000120020112} is an apocalyptic number.

It is an amenable number.

22000120020112 is an abundant number, since it is smaller than the sum of its proper divisors (23928433473704).

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

22000120020112 is a wasteful number, since it uses less digits than its factorization.

22000120020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56352355 (or 56352349 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22000120020112 its reverse (21102002100022), we get a palindrome (43102122120134).

The spelling of 22000120020112 in words is "twenty-two trillion, one hundred twenty million, twenty thousand, one hundred twelve".