10111221210112 has 44 divisors (see below), whose sum is σ = 22050074403576. Its totient is φ = 4596009635840.

The previous prime is 10111221210107. The next prime is 10111221210133. The reversal of 10111221210112 is 21101212211101.

It is a tau number, because it is divible by the number of its divisors (44).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 448817803 + ... + 448840330.

Almost surely, 2^{10111221210112} is an apocalyptic number.

It is an amenable number.

10111221210112 is an abundant number, since it is smaller than the sum of its proper divisors (11938853193464).

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

10111221210112 is an equidigital number, since it uses as much as digits as its factorization.

10111221210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897658164 (or 897658146 counting only the distinct ones).

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

Adding to 10111221210112 its reverse (21101212211101), we get a palindrome (31212433421213).

The spelling of 10111221210112 in words is "ten trillion, one hundred eleven billion, two hundred twenty-one million, two hundred ten thousand, one hundred twelve".