111201121223011 has 8 divisors (see below), whose sum is σ = 117744265396800. Its totient is φ = 104658188354688.

The previous prime is 111201121222979. The next prime is 111201121223021. The reversal of 111201121223011 is 110322121102111.

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

It is not a de Polignac number, because 111201121223011 - 2⁵ = 111201121222979 is a prime.

It is a super-2 number, since 2×111201121223011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111201121223011.

It is not an unprimeable number, because it can be changed into a prime (111201121223021) 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, 51742251 + ... + 53848516.

It is an arithmetic number, because the mean of its divisors is an integer number (14718033174600).

Almost surely, 2^{111201121223011} is an apocalyptic number.

111201121223011 is a deficient number, since it is larger than the sum of its proper divisors (6543144173789).

111201121223011 is a wasteful number, since it uses less digits than its factorization.

111201121223011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105652733.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 111201121223011 its reverse (110322121102111), we get a palindrome (221523242325122).

The spelling of 111201121223011 in words is "one hundred eleven trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty-three thousand, eleven".