111200121201 has 8 divisors (see below), whose sum is σ = 159671968960. Its totient is φ = 68430843792.

The previous prime is 111200121143. The next prime is 111200121211. The reversal of 111200121201 is 102121002111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111200121201 - 2¹⁰ = 111200120177 is a prime.

It is a super-3 number, since 3×111200121201³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111200121211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1425642541 + ... + 1425642618.

It is an arithmetic number, because the mean of its divisors is an integer number (19958996120).

Almost surely, 2^111200121201 is an apocalyptic number.

It is an amenable number.

111200121201 is a deficient number, since it is larger than the sum of its proper divisors (48471847759).

111200121201 is a wasteful number, since it uses less digits than its factorization.

111200121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851285175.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111200121201 its reverse (102121002111), we get a palindrome (213321123312).

The spelling of 111200121201 in words is "one hundred eleven billion, two hundred million, one hundred twenty-one thousand, two hundred one".