211222001001 has 8 divisors (see below), whose sum is σ = 307232001504. Its totient is φ = 128013333920.

The previous prime is 211222000963. The next prime is 211222001021. The reversal of 211222001001 is 100100222112.

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

It is a cyclic number.

It is not a de Polignac number, because 211222001001 - 2¹⁸ = 211221738857 is a prime.

It is a super-2 number, since 2×211222001001² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211222001021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3200333316 + ... + 3200333381.

It is an arithmetic number, because the mean of its divisors is an integer number (38404000188).

Almost surely, 2^211222001001 is an apocalyptic number.

It is an amenable number.

211222001001 is a deficient number, since it is larger than the sum of its proper divisors (96010000503).

211222001001 is a wasteful number, since it uses less digits than its factorization.

211222001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6400666711.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211222001001 its reverse (100100222112), we get a palindrome (311322223113).

The spelling of 211222001001 in words is "two hundred eleven billion, two hundred twenty-two million, one thousand, one".