2211122012002 has 12 divisors (see below), whose sum is σ = 3523258431810. Its totient is φ = 1040528005376.

The previous prime is 2211122011991. The next prime is 2211122012207. The reversal of 2211122012002 is 2002102211122.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2057443115641 + 153678896361 = 1434379^2 + 392019^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1912734727 + ... + 1912735882.

Almost surely, 2^{2211122012002} is an apocalyptic number.

2211122012002 is a deficient number, since it is larger than the sum of its proper divisors (1312136419808).

2211122012002 is a wasteful number, since it uses less digits than its factorization.

2211122012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825470645 (or 3825470628 counting only the distinct ones).

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

Adding to 2211122012002 its reverse (2002102211122), we get a palindrome (4213224223124).

The spelling of 2211122012002 in words is "two trillion, two hundred eleven billion, one hundred twenty-two million, twelve thousand, two".