111002121103102 has 4 divisors (see below), whose sum is σ = 166503181654656. Its totient is φ = 55501060551550.

The previous prime is 111002121103099. The next prime is 111002121103103. The reversal of 111002121103102 is 201301121200111.

It is a happy number.

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 (111002121103103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27750530275774 + ... + 27750530275777.

It is an arithmetic number, because the mean of its divisors is an integer number (41625795413664).

Almost surely, 2^{111002121103102} is an apocalyptic number.

111002121103102 is a deficient number, since it is larger than the sum of its proper divisors (55501060551554).

111002121103102 is an equidigital number, since it uses as much as digits as its factorization.

111002121103102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55501060551553.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111002121103102 its reverse (201301121200111), we get a palindrome (312303242303213).

The spelling of 111002121103102 in words is "one hundred eleven trillion, two billion, one hundred twenty-one million, one hundred three thousand, one hundred two".