111100220201121 has 8 divisors (see below), whose sum is σ = 148133789446944. Its totient is φ = 74066732211360.

The previous prime is 111100220201023. The next prime is 111100220201123. The reversal of 111100220201121 is 121102022001111.

It is a happy number.

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

It is not a de Polignac number, because 111100220201121 - 2³¹ = 111098072717473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111100220201121.

It is not an unprimeable number, because it can be changed into a prime (111100220201123) 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, 17048700 + ... + 22646381.

It is an arithmetic number, because the mean of its divisors is an integer number (18516723680868).

Almost surely, 2^{111100220201121} is an apocalyptic number.

It is an amenable number.

111100220201121 is a deficient number, since it is larger than the sum of its proper divisors (37033569245823).

111100220201121 is an equidigital number, since it uses as much as digits as its factorization.

111100220201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40628031.

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

Adding to 111100220201121 its reverse (121102022001111), we get a palindrome (232202242202232).

The spelling of 111100220201121 in words is "one hundred eleven trillion, one hundred billion, two hundred twenty million, two hundred one thousand, one hundred twenty-one".