1110121111102 has 4 divisors (see below), whose sum is σ = 1665181666656. Its totient is φ = 555060555550.

The previous prime is 1110121111091. The next prime is 1110121111103. The reversal of 1110121111102 is 2011111210111.

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 (1110121111103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277530277774 + ... + 277530277777.

It is an arithmetic number, because the mean of its divisors is an integer number (416295416664).

Almost surely, 2^{1110121111102} is an apocalyptic number.

1110121111102 is a deficient number, since it is larger than the sum of its proper divisors (555060555554).

1110121111102 is an equidigital number, since it uses as much as digits as its factorization.

1110121111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555060555553.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1110121111102 its reverse (2011111210111), we get a palindrome (3121232321213).

Subtracting 1110121111102 from its reverse (2011111210111), we obtain a palindrome (900990099009).

The spelling of 1110121111102 in words is "one trillion, one hundred ten billion, one hundred twenty-one million, one hundred eleven thousand, one hundred two".