111012100102001 has 8 divisors (see below), whose sum is σ = 126881099447040. Its totient is φ = 95145632732448.

The previous prime is 111012100101983. The next prime is 111012100102003. The reversal of 111012100102001 is 100201001210111.

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 111012100102001 - 2²² = 111012095907697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111012100102003) 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, 632899916 + ... + 633075293.

It is an arithmetic number, because the mean of its divisors is an integer number (15860137430880).

Almost surely, 2^{111012100102001} is an apocalyptic number.

It is an amenable number.

111012100102001 is a deficient number, since it is larger than the sum of its proper divisors (15868999345039).

111012100102001 is a wasteful number, since it uses less digits than its factorization.

111012100102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265987743.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111012100102001 its reverse (100201001210111), we get a palindrome (211213101312112).

The spelling of 111012100102001 in words is "one hundred eleven trillion, twelve billion, one hundred million, one hundred two thousand, one".