100011020000 has 60 divisors (see below), whose sum is σ = 246042160056. Its totient is φ = 40004400000.

The previous prime is 100011019993. The next prime is 100011020003. The reversal of 100011020000 is 20110001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011020003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2480276 + ... + 2520275.

Almost surely, 2^100011020000 is an apocalyptic number.

100011020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100011020000 is an abundant number, since it is smaller than the sum of its proper divisors (146031140056).

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

100011020000 is an frugal number, since it uses more digits than its factorization.

100011020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000581 (or 5000558 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 100011020000 its reverse (20110001), we get a palindrome (100031130001).

Subtracting from 100011020000 its reverse (20110001), we obtain a palindrome (99990909999).

The spelling of 100011020000 in words is "one hundred billion, eleven million, twenty thousand".