111222211202002 has 32 divisors (see below), whose sum is σ = 174952546645680. Its totient is φ = 52957299548160.

The previous prime is 111222211201991. The next prime is 111222211202009. The reversal of 111222211202002 is 200202112222111.

It can be written as a sum of positive squares in 8 ways, for example, as 93755085963841 + 17467125238161 = 9682721^2 + 4179369^2 .

It is not an unprimeable number, because it can be changed into a prime (111222211202009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647635698 + ... + 647807410.

Almost surely, 2^{111222211202002} is an apocalyptic number.

111222211202002 is a deficient number, since it is larger than the sum of its proper divisors (63730335443678).

111222211202002 is a wasteful number, since it uses less digits than its factorization.

111222211202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324798.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111222211202002 its reverse (200202112222111), we get a palindrome (311424323424113).

The spelling of 111222211202002 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred eleven million, two hundred two thousand, two".