20222100221112 has 256 divisors, whose sum is σ = 60656947200000. Its totient is φ = 6223141951488.

The previous prime is 20222100221069. The next prime is 20222100221131. The reversal of 20222100221112 is 21112200122202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 445015689 + ... + 445061127.

It is an arithmetic number, because the mean of its divisors is an integer number (236941200000).

Almost surely, 2^{20222100221112} 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 20222100221112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30328473600000).

20222100221112 is an abundant number, since it is smaller than the sum of its proper divisors (40434846978888).

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

20222100221112 is a wasteful number, since it uses less digits than its factorization.

20222100221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48595 (or 48585 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20222100221112 its reverse (21112200122202), we get a palindrome (41334300343314).

The spelling of 20222100221112 in words is "twenty trillion, two hundred twenty-two billion, one hundred million, two hundred twenty-one thousand, one hundred twelve".