111111111202202 has 4 divisors (see below), whose sum is σ = 166666666803306. Its totient is φ = 55555555601100.

The previous prime is 111111111202163. The next prime is 111111111202297. The reversal of 111111111202202 is 202202111111111.

111111111202202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 84704246587081 + 26406864615121 = 9203491^2 + 5138761^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27777777800549 + ... + 27777777800552.

Almost surely, 2^{111111111202202} is an apocalyptic number.

111111111202202 is a deficient number, since it is larger than the sum of its proper divisors (55555555601104).

111111111202202 is an equidigital number, since it uses as much as digits as its factorization.

111111111202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55555555601103.

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

Adding to 111111111202202 its reverse (202202111111111), we get a palindrome (313313222313313).

It can be divided in two parts, 111111111 and 202202, that multiplied together give a palindrome (22466888866422).

The spelling of 111111111202202 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred eleven million, two hundred two thousand, two hundred two".