111201010000001 has 32 divisors (see below), whose sum is σ = 119881441152000. Its totient is φ = 102774171681792.

The previous prime is 111201009999983. The next prime is 111201010000013. The reversal of 111201010000001 is 100000010102111.

It is a happy number.

It is not a de Polignac number, because 111201010000001 - 2³⁴ = 111183830130817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111201010000501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186598415 + ... + 187193403.

It is an arithmetic number, because the mean of its divisors is an integer number (3746295036000).

Almost surely, 2^{111201010000001} is an apocalyptic number.

It is an amenable number.

111201010000001 is a deficient number, since it is larger than the sum of its proper divisors (8680431151999).

111201010000001 is a wasteful number, since it uses less digits than its factorization.

111201010000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595841.

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

Adding to 111201010000001 its reverse (100000010102111), we get a palindrome (211201020102112).

The spelling of 111201010000001 in words is "one hundred eleven trillion, two hundred one billion, ten million, one", and thus it is an aban number.