22010321112 has 64 divisors (see below), whose sum is σ = 59372302080. Its totient is φ = 6759407232.

The previous prime is 22010321093. The next prime is 22010321117. The reversal of 22010321112 is 21112301022.

It is a junction number, because it is equal to n+sod(n) for n = 22010321091 and 22010321100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010321117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95733 + ... + 230619.

It is an arithmetic number, because the mean of its divisors is an integer number (927692220).

Almost surely, 2^22010321112 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 22010321112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29686151040).

22010321112 is an abundant number, since it is smaller than the sum of its proper divisors (37361980968).

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

22010321112 is a wasteful number, since it uses less digits than its factorization.

22010321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135432 (or 135428 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22010321112 its reverse (21112301022), we get a palindrome (43122622134).

The spelling of 22010321112 in words is "twenty-two billion, ten million, three hundred twenty-one thousand, one hundred twelve".