111221413101202 has 4 divisors (see below), whose sum is σ = 166832119651806. Its totient is φ = 55610706550600.

The previous prime is 111221413101199. The next prime is 111221413101223. The reversal of 111221413101202 is 202101314122111.

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., 87094641667401 + 24126771433801 = 9332451^2 + 4911901^2 .

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, 27805353275299 + ... + 27805353275302.

Almost surely, 2^{111221413101202} is an apocalyptic number.

111221413101202 is a deficient number, since it is larger than the sum of its proper divisors (55610706550604).

111221413101202 is an equidigital number, since it uses as much as digits as its factorization.

111221413101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55610706550603.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 111221413101202 its reverse (202101314122111), we get a palindrome (313322727223313).

The spelling of 111221413101202 in words is "one hundred eleven trillion, two hundred twenty-one billion, four hundred thirteen million, one hundred one thousand, two hundred two".