10011112021120 has 128 divisors (see below), whose sum is σ = 27378908380800. Its totient is φ = 3428977950720.

The previous prime is 10011112021093. The next prime is 10011112021153. The reversal of 10011112021120 is 2112021111001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 10011112021120.

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, 3412975 + ... + 5627665.

It is an arithmetic number, because the mean of its divisors is an integer number (213897721725).

Almost surely, 2^{10011112021120} is an apocalyptic number.

10011112021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10011112021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13689454190400).

10011112021120 is an abundant number, since it is smaller than the sum of its proper divisors (17367796359680).

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

10011112021120 is a wasteful number, since it uses less digits than its factorization.

10011112021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215726 (or 2215714 counting only the distinct ones).

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

Adding to 10011112021120 its reverse (2112021111001), we get a palindrome (12123133132121).

The spelling of 10011112021120 in words is "ten trillion, eleven billion, one hundred twelve million, twenty-one thousand, one hundred twenty".