10020111102012 has 96 divisors (see below), whose sum is σ = 25764530658048. Its totient is φ = 3005603200000.

The previous prime is 10020111102011. The next prime is 10020111102031. The reversal of 10020111102012 is 21020111102001.

10020111102012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020111102011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56051812 + ... + 56230292.

It is an arithmetic number, because the mean of its divisors is an integer number (268380527688).

Almost surely, 2^{10020111102012} is an apocalyptic number.

10020111102012 is a gapful number since it is divisible by the number (12) 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 10020111102012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12882265329024).

10020111102012 is an abundant number, since it is smaller than the sum of its proper divisors (15744419556036).

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

10020111102012 is a wasteful number, since it uses less digits than its factorization.

10020111102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182811 (or 182809 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10020111102012 its reverse (21020111102001), we get a palindrome (31040222204013).

The spelling of 10020111102012 in words is "ten trillion, twenty billion, one hundred eleven million, one hundred two thousand, twelve".