100011111201 has 24 divisors (see below), whose sum is σ = 149311693440. Its totient is φ = 64469243616.

The previous prime is 100011111181. The next prime is 100011111217. The reversal of 100011111201 is 102111110001.

It is not a de Polignac number, because 100011111201 - 2⁵ = 100011111169 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100011113201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1389186 + ... + 1459403.

It is an arithmetic number, because the mean of its divisors is an integer number (6221320560).

Almost surely, 2^100011111201 is an apocalyptic number.

It is an amenable number.

100011111201 is a deficient number, since it is larger than the sum of its proper divisors (49300582239).

100011111201 is a wasteful number, since it uses less digits than its factorization.

100011111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848725 (or 2848722 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 100011111201 its reverse (102111110001), we get a palindrome (202122221202).

The spelling of 100011111201 in words is "one hundred billion, eleven million, one hundred eleven thousand, two hundred one".