111112012202001 has 16 divisors (see below), whose sum is σ = 149267844223680. Its totient is φ = 73515803719680.

The previous prime is 111112012201997. The next prime is 111112012202029. The reversal of 111112012202001 is 100202210211111.

It is a happy number.

It is not a de Polignac number, because 111112012202001 - 2² = 111112012201997 is a prime.

It is a super-2 number, since 2×111112012202001² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111112012203001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45845760 + ... + 48208481.

It is an arithmetic number, because the mean of its divisors is an integer number (9329240263980).

Almost surely, 2^{111112012202001} is an apocalyptic number.

It is an amenable number.

111112012202001 is a deficient number, since it is larger than the sum of its proper divisors (38155832021679).

111112012202001 is a wasteful number, since it uses less digits than its factorization.

111112012202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94057216.

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

Adding to 111112012202001 its reverse (100202210211111), we get a palindrome (211314222413112).

The spelling of 111112012202001 in words is "one hundred eleven trillion, one hundred twelve billion, twelve million, two hundred two thousand, one".