111122112011102 has 4 divisors (see below), whose sum is σ = 166683168016656. Its totient is φ = 55561056005550.

The previous prime is 111122112011101. The next prime is 111122112011117. The reversal of 111122112011102 is 201110211221111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122112011101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27780528002774 + ... + 27780528002777.

It is an arithmetic number, because the mean of its divisors is an integer number (41670792004164).

Almost surely, 2^{111122112011102} is an apocalyptic number.

111122112011102 is a deficient number, since it is larger than the sum of its proper divisors (55561056005554).

111122112011102 is an equidigital number, since it uses as much as digits as its factorization.

111122112011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55561056005553.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111122112011102 its reverse (201110211221111), we get a palindrome (312232323232213).

The spelling of 111122112011102 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred twelve million, eleven thousand, one hundred two".