10111100032020 has 384 divisors, whose sum is σ = 32624071925760. Its totient is φ = 2319213772800.

The previous prime is 10111100032013. The next prime is 10111100032031. The reversal of 10111100032020 is 2023000111101.

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

It is a junction number, because it is equal to n+sod(n) for n = 10111100031987 and 10111100032005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 234297445 + ... + 234340595.

It is an arithmetic number, because the mean of its divisors is an integer number (84958520640).

Almost surely, 2^{10111100032020} is an apocalyptic number.

10111100032020 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 10111100032020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16312035962880).

10111100032020 is an abundant number, since it is smaller than the sum of its proper divisors (22512971893740).

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

10111100032020 is a wasteful number, since it uses less digits than its factorization.

10111100032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43455 (or 43453 counting only the distinct ones).

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

Adding to 10111100032020 its reverse (2023000111101), we get a palindrome (12134100143121).

The spelling of 10111100032020 in words is "ten trillion, one hundred eleven billion, one hundred million, thirty-two thousand, twenty".