111202120112001 has 16 divisors (see below), whose sum is σ = 150358845265920. Its totient is φ = 73090085420240.

The previous prime is 111202120111937. The next prime is 111202120112053. The reversal of 111202120112001 is 100211021202111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111202120112001 - 2⁶ = 111202120111937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111202120113001) 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, 30088216 + ... + 33581318.

It is an arithmetic number, because the mean of its divisors is an integer number (9397427829120).

Almost surely, 2^{111202120112001} is an apocalyptic number.

It is an amenable number.

111202120112001 is a deficient number, since it is larger than the sum of its proper divisors (39156725153919).

111202120112001 is a wasteful number, since it uses less digits than its factorization.

111202120112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642636.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111202120112001 its reverse (100211021202111), we get a palindrome (211413141314112).

The spelling of 111202120112001 in words is "one hundred eleven trillion, two hundred two billion, one hundred twenty million, one hundred twelve thousand, one".