20220100002112 has 56 divisors (see below), whose sum is σ = 40510224105120. Its totient is φ = 10012850634240.

The previous prime is 20220100002083. The next prime is 20220100002119. The reversal of 20220100002112 is 21120000102202.

It is a happy number.

It is a super-4 number, since 4×20220100002112⁴ (a number of 54 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20220100002092 and 20220100002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220100002119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25001187 + ... + 25797277.

It is an arithmetic number, because the mean of its divisors is an integer number (723396859020).

Almost surely, 2^{20220100002112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220100002112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20255112052560).

20220100002112 is an abundant number, since it is smaller than the sum of its proper divisors (20290124103008).

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

20220100002112 is a wasteful number, since it uses less digits than its factorization.

20220100002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799919 (or 799909 counting only the distinct ones).

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

Adding to 20220100002112 its reverse (21120000102202), we get a palindrome (41340100104314).

The spelling of 20220100002112 in words is "twenty trillion, two hundred twenty billion, one hundred million, two thousand, one hundred twelve".