100111111100010 has 192 divisors, whose sum is σ = 271238915211264. Its totient is φ = 26567042644800.

The previous prime is 100111111100009. The next prime is 100111111100053. The reversal of 100111111100010 is 10001111111001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100111111099965 and 100111111100001.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 470625975 + ... + 470838645.

It is an arithmetic number, because the mean of its divisors is an integer number (1412702683392).

Almost surely, 2^{100111111100010} is an apocalyptic number.

100111111100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100111111100010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135619457605632).

100111111100010 is an abundant number, since it is smaller than the sum of its proper divisors (171127804111254).

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

100111111100010 is a wasteful number, since it uses less digits than its factorization.

100111111100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213631 (or 213619 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 100111111100010 its reverse (10001111111001), we get a palindrome (110112222211011).

The spelling of 100111111100010 in words is "one hundred trillion, one hundred eleven billion, one hundred eleven million, one hundred thousand, ten".