111202122120002 has 4 divisors (see below), whose sum is σ = 166803183180006. Its totient is φ = 55601061060000.

The previous prime is 111202122119983. The next prime is 111202122120013. The reversal of 111202122120002 is 200021221202111.

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., 70797398546161 + 40404723573841 = 8414119^2 + 6356471^2 .

It is an unprimeable number.

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, 27800530529999 + ... + 27800530530002.

Almost surely, 2^{111202122120002} is an apocalyptic number.

111202122120002 is a deficient number, since it is larger than the sum of its proper divisors (55601061060004).

111202122120002 is an equidigital number, since it uses as much as digits as its factorization.

111202122120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55601061060003.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111202122120002 its reverse (200021221202111), we get a palindrome (311223343322113).

The spelling of 111202122120002 in words is "one hundred eleven trillion, two hundred two billion, one hundred twenty-two million, one hundred twenty thousand, two".