1121012222002 has 8 divisors (see below), whose sum is σ = 1681835078700. Its totient is φ = 560400529104.

The previous prime is 1121012221991. The next prime is 1121012222017. The reversal of 1121012222002 is 2002222101211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1119154525801 + 1857696201 = 1057901^2 + 43101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1121012222002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52777677 + ... + 52798912.

Almost surely, 2^{1121012222002} is an apocalyptic number.

1121012222002 is a deficient number, since it is larger than the sum of its proper divisors (560822856698).

1121012222002 is a wasteful number, since it uses less digits than its factorization.

1121012222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105581900.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1121012222002 its reverse (2002222101211), we get a palindrome (3123234323213).

The spelling of 1121012222002 in words is "one trillion, one hundred twenty-one billion, twelve million, two hundred twenty-two thousand, two".