111001120001122 has 32 divisors (see below), whose sum is σ = 179980316437824. Its totient is φ = 51039673041600.

The previous prime is 111001120001117. The next prime is 111001120001201. The reversal of 111001120001122 is 221100021100111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54388597 + ... + 56392567.

It is an arithmetic number, because the mean of its divisors is an integer number (5624384888682).

Almost surely, 2^{111001120001122} is an apocalyptic number.

111001120001122 is a deficient number, since it is larger than the sum of its proper divisors (68979196436702).

111001120001122 is a wasteful number, since it uses less digits than its factorization.

111001120001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011954.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111001120001122 its reverse (221100021100111), we get a palindrome (332101141101233).

The spelling of 111001120001122 in words is "one hundred eleven trillion, one billion, one hundred twenty million, one thousand, one hundred twenty-two".