111201202201001 has 16 divisors (see below), whose sum is σ = 125224083091968. Its totient is φ = 97830624441600.

The previous prime is 111201202200989. The next prime is 111201202201003. The reversal of 111201202201001 is 100102202102111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111201202201001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111201202201003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171831905 + ... + 172477841.

It is an arithmetic number, because the mean of its divisors is an integer number (7826505193248).

Almost surely, 2^{111201202201001} is an apocalyptic number.

111201202201001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111201202201001 is a deficient number, since it is larger than the sum of its proper divisors (14022880890967).

111201202201001 is a wasteful number, since it uses less digits than its factorization.

111201202201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150832.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111201202201001 its reverse (100102202102111), we get a palindrome (211303404303112).

The spelling of 111201202201001 in words is "one hundred eleven trillion, two hundred one billion, two hundred two million, two hundred one thousand, one".