100111220000010 has 96 divisors (see below), whose sum is σ = 261200802425472. Its totient is φ = 26602902184320.

The previous prime is 100111219999943. The next prime is 100111220000021. The reversal of 100111220000010 is 10000022111001.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100111219999947 and 100111220000001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61366612 + ... + 62976848.

It is an arithmetic number, because the mean of its divisors is an integer number (2720841691932).

Almost surely, 2^{100111220000010} is an apocalyptic number.

100111220000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100111220000010 is an abundant number, since it is smaller than the sum of its proper divisors (161089582425462).

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

100111220000010 is a wasteful number, since it uses less digits than its factorization.

100111220000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612668 (or 1612665 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100111220000010 its reverse (10000022111001), we get a palindrome (110111242111011).

The spelling of 100111220000010 in words is "one hundred trillion, one hundred eleven billion, two hundred twenty million, ten", and thus it is an aban number.