100111100101000 has 128 divisors (see below), whose sum is σ = 236433478469760. Its totient is φ = 39673898784000.

The previous prime is 100111100100989. The next prime is 100111100101039. The reversal of 100111100101000 is 101001111001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79679667 + ... + 80926333.

It is an arithmetic number, because the mean of its divisors is an integer number (1847136550545).

Almost surely, 2^{100111100101000} is an apocalyptic number.

100111100101000 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 100111100101000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118216739234880).

100111100101000 is an abundant number, since it is smaller than the sum of its proper divisors (136322378368760).

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

100111100101000 is a wasteful number, since it uses less digits than its factorization.

100111100101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247432 (or 1247418 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 100111100101000 its reverse (101001111001), we get a palindrome (100212101212001).

The spelling of 100111100101000 in words is "one hundred trillion, one hundred eleven billion, one hundred million, one hundred one thousand".