111100102001 has 8 divisors (see below), whose sum is σ = 128204279424. Its totient is φ = 94304108160.

The previous prime is 111100101997. The next prime is 111100102007. The reversal of 111100102001 is 100201001111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111100102001 - 2² = 111100101997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111100102001.

It is not an unprimeable number, because it can be changed into a prime (111100102007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77045120 + ... + 77046561.

It is an arithmetic number, because the mean of its divisors is an integer number (16025534928).

Almost surely, 2^111100102001 is an apocalyptic number.

It is an amenable number.

111100102001 is a deficient number, since it is larger than the sum of its proper divisors (17104177423).

111100102001 is a wasteful number, since it uses less digits than its factorization.

111100102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154091791.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 111100102001 its reverse (100201001111), we get a palindrome (211301103112).

The spelling of 111100102001 in words is "one hundred eleven billion, one hundred million, one hundred two thousand, one".