111101001201122 has 4 divisors (see below), whose sum is σ = 166651501801686. Its totient is φ = 55550500600560.

The previous prime is 111101001201121. The next prime is 111101001201163. The reversal of 111101001201122 is 221102100101111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 97054239295321 + 14046761905801 = 9851611^2 + 3747901^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111101001201097 and 111101001201106.

It is not an unprimeable number, because it can be changed into a prime (111101001201121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775250300279 + ... + 27775250300282.

Almost surely, 2^{111101001201122} is an apocalyptic number.

111101001201122 is a deficient number, since it is larger than the sum of its proper divisors (55550500600564).

111101001201122 is an equidigital number, since it uses as much as digits as its factorization.

111101001201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55550500600563.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111101001201122 its reverse (221102100101111), we get a palindrome (332203101302233).

The spelling of 111101001201122 in words is "one hundred eleven trillion, one hundred one billion, one million, two hundred one thousand, one hundred twenty-two".