111221120200001 has 16 divisors (see below), whose sum is σ = 130284310842240. Its totient is φ = 92979720028800.

The previous prime is 111221120199979. The next prime is 111221120200061. The reversal of 111221120200001 is 100002021122111.

It is a cyclic number.

It is not a de Polignac number, because 111221120200001 - 2³⁸ = 110946242293057 is a prime.

It is a super-3 number, since 3×111221120200001³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111221120200061) 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, 1173938996 + ... + 1174033733.

It is an arithmetic number, because the mean of its divisors is an integer number (8142769427640).

Almost surely, 2^{111221120200001} is an apocalyptic number.

It is an amenable number.

111221120200001 is a deficient number, since it is larger than the sum of its proper divisors (19063190642239).

111221120200001 is a wasteful number, since it uses less digits than its factorization.

111221120200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347972904.

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

Adding to 111221120200001 its reverse (100002021122111), we get a palindrome (211223141322112).

The spelling of 111221120200001 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred twenty million, two hundred thousand, one".