10112221112 has 128 divisors (see below), whose sum is σ = 23312240640. Its totient is φ = 4013936640.

The previous prime is 10112221039. The next prime is 10112221151. The reversal of 10112221112 is 21112221101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27553553 + ... + 27553919.

It is an arithmetic number, because the mean of its divisors is an integer number (182126880).

Almost surely, 2^10112221112 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 10112221112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11656120320).

10112221112 is an abundant number, since it is smaller than the sum of its proper divisors (13200019528).

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

10112221112 is a wasteful number, since it uses less digits than its factorization.

10112221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10112221112 its reverse (21112221101), we get a palindrome (31224442213).

The spelling of 10112221112 in words is "ten billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twelve".