11112002222122 has 32 divisors (see below), whose sum is σ = 17679844501200. Its totient is φ = 5228678515200.

The previous prime is 11112002222051. The next prime is 11112002222141. The reversal of 11112002222122 is 22122220021111.

It can be written as a sum of positive squares in 8 ways, for example, as 3112715675521 + 7999286546601 = 1764289^2 + 2828301^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11112002222122.

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 in 15 ways as a sum of consecutive naturals, for example, 356472 + ... + 4727692.

Almost surely, 2^{11112002222122} is an apocalyptic number.

11112002222122 is a deficient number, since it is larger than the sum of its proper divisors (6567842279078).

11112002222122 is a wasteful number, since it uses less digits than its factorization.

11112002222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372362.

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

Adding to 11112002222122 its reverse (22122220021111), we get a palindrome (33234222243233).

The spelling of 11112002222122 in words is "eleven trillion, one hundred twelve billion, two million, two hundred twenty-two thousand, one hundred twenty-two".