110111200121 has 8 divisors (see below), whose sum is σ = 118617746184. Its totient is φ = 101609861760.

The previous prime is 110111200117. The next prime is 110111200127. The reversal of 110111200121 is 121002111011.

It can be written as a sum of positive squares in 4 ways, for example, as 29863641721 + 80247558400 = 172811^2 + 283280^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 110111200121 - 2² = 110111200117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110111200127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257950 + ... + 1342631.

It is an arithmetic number, because the mean of its divisors is an integer number (14827218273).

Almost surely, 2^110111200121 is an apocalyptic number.

It is an amenable number.

110111200121 is a deficient number, since it is larger than the sum of its proper divisors (8506546063).

110111200121 is a wasteful number, since it uses less digits than its factorization.

110111200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603851.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 110111200121 its reverse (121002111011), we get a palindrome (231113311132).

The spelling of 110111200121 in words is "one hundred ten billion, one hundred eleven million, two hundred thousand, one hundred twenty-one".