10111220010112 has 64 divisors (see below), whose sum is σ = 21700965283200. Its totient is φ = 4664990905344.

The previous prime is 10111220010097. The next prime is 10111220010121. The reversal of 10111220010112 is 21101002211101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 10111220010092 and 10111220010101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3382089 + ... + 5626807.

It is an arithmetic number, because the mean of its divisors is an integer number (339077582550).

Almost surely, 2^{10111220010112} 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 10111220010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10850482641600).

10111220010112 is an abundant number, since it is smaller than the sum of its proper divisors (11589745273088).

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

10111220010112 is a wasteful number, since it uses less digits than its factorization.

10111220010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247453 (or 2247441 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10111220010112 its reverse (21101002211101), we get a palindrome (31212222221213).

The spelling of 10111220010112 in words is "ten trillion, one hundred eleven billion, two hundred twenty million, ten thousand, one hundred twelve".