111110110221201 has 64 divisors (see below), whose sum is σ = 188464710819840. Its totient is φ = 56669687389440.

The previous prime is 111110110221199. The next prime is 111110110221223. The reversal of 111110110221201 is 102122011011111.

It is not a de Polignac number, because 111110110221201 - 2¹ = 111110110221199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111110110220201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55560505 + ... + 57525558.

It is an arithmetic number, because the mean of its divisors is an integer number (2944761106560).

Almost surely, 2^{111110110221201} is an apocalyptic number.

It is an amenable number.

111110110221201 is a deficient number, since it is larger than the sum of its proper divisors (77354600598639).

111110110221201 is a wasteful number, since it uses less digits than its factorization.

111110110221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113086206.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111110110221201 its reverse (102122011011111), we get a palindrome (213232121232312).

The spelling of 111110110221201 in words is "one hundred eleven trillion, one hundred ten billion, one hundred ten million, two hundred twenty-one thousand, two hundred one".