10111221011112 has 64 divisors (see below), whose sum is σ = 28823842716480. Its totient is φ = 2928136399872.

The previous prime is 10111221011093. The next prime is 10111221011183. The reversal of 10111221011112 is 21111012211101.

It is a junction number, because it is equal to n+sod(n) for n = 10111221011091 and 10111221011100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953164098 + ... + 953174705.

It is an arithmetic number, because the mean of its divisors is an integer number (450372542445).

Almost surely, 2^{10111221011112} is an apocalyptic number.

10111221011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10111221011112 is an abundant number, since it is smaller than the sum of its proper divisors (18712621705368).

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

10111221011112 is a wasteful number, since it uses less digits than its factorization.

10111221011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906338842 (or 1906338838 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 10111221011112 its reverse (21111012211101), we get a palindrome (31222233222213).

The spelling of 10111221011112 in words is "ten trillion, one hundred eleven billion, two hundred twenty-one million, eleven thousand, one hundred twelve".