10111221010112 has 28 divisors (see below), whose sum is σ = 21120478099320. Its totient is φ = 4789525741056.

The previous prime is 10111221010081. The next prime is 10111221010159. The reversal of 10111221010112 is 21101012211101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4157573213 + ... + 4157575644.

Almost surely, 2^{10111221010112} is an apocalyptic number.

It is an amenable number.

10111221010112 is an abundant number, since it is smaller than the sum of its proper divisors (11009257089208).

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

10111221010112 is an equidigital number, since it uses as much as digits as its factorization.

10111221010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8315148888 (or 8315148878 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10111221010112 its reverse (21101012211101), we get a palindrome (31212233221213).

The spelling of 10111221010112 in words is "ten trillion, one hundred eleven billion, two hundred twenty-one million, ten thousand, one hundred twelve".