211222001002 has 8 divisors (see below), whose sum is σ = 324560635812. Its totient is φ = 103035122400.

The previous prime is 211222000963. The next prime is 211222001021. The reversal of 211222001002 is 200100222112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 210920666121 + 301334881 = 459261^2 + 17359^2 .

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

It is a super-2 number, since 2×211222001002² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1287938949 + ... + 1287939112.

Almost surely, 2^211222001002 is an apocalyptic number.

211222001002 is a deficient number, since it is larger than the sum of its proper divisors (113338634810).

211222001002 is a wasteful number, since it uses less digits than its factorization.

211222001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575878104.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211222001002 its reverse (200100222112), we get a palindrome (411322223114).

The spelling of 211222001002 in words is "two hundred eleven billion, two hundred twenty-two million, one thousand, two".