11111102100202 has 16 divisors (see below), whose sum is σ = 17954296766280. Its totient is φ = 5126602862592.

The previous prime is 11111102100187. The next prime is 11111102100211. The reversal of 11111102100202 is 20200120111111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4940702027361 + 6170400072841 = 2222769^2 + 2484029^2 .

It is a super-2 number, since 2×11111102100202² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

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 in 7 ways as a sum of consecutive naturals, for example, 66502743 + ... + 66669610.

Almost surely, 2^{11111102100202} is an apocalyptic number.

11111102100202 is a deficient number, since it is larger than the sum of its proper divisors (6843194666078).

11111102100202 is a wasteful number, since it uses less digits than its factorization.

11111102100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133175577.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11111102100202 its reverse (20200120111111), we get a palindrome (31311222211313).

The spelling of 11111102100202 in words is "eleven trillion, one hundred eleven billion, one hundred two million, one hundred thousand, two hundred two".