100021112020000 has 120 divisors (see below), whose sum is σ = 246338281029456. Its totient is φ = 39964326816000.

The previous prime is 100021112019989. The next prime is 100021112020009. The reversal of 100021112020000 is 20211120001.

100021112020000 is digitally balanced in base 3, 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 (10).

It is not an unprimeable number, because it can be changed into a prime (100021112020009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15383079 + ... + 20896921.

Almost surely, 2^{100021112020000} is an apocalyptic number.

100021112020000 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 100021112020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123169140514728).

100021112020000 is an abundant number, since it is smaller than the sum of its proper divisors (146317169009456).

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

100021112020000 is an frugal number, since it uses more digits than its factorization.

100021112020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514780 (or 5514757 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100021112020000 its reverse (20211120001), we get a palindrome (100041323140001).

The spelling of 100021112020000 in words is "one hundred trillion, twenty-one billion, one hundred twelve million, twenty thousand".