211211000221001 has 8 divisors (see below), whose sum is σ = 234759396472704. Its totient is φ = 188387170007920.

The previous prime is 211211000220851. The next prime is 211211000221021. The reversal of 211211000221001 is 100122000112112.

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 211211000221001 - 2³⁰ = 211209926479177 is a prime.

It is a super-2 number, since 2×211211000221001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211211000221021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181141509041 + ... + 181141510206.

It is an arithmetic number, because the mean of its divisors is an integer number (29344924559088).

Almost surely, 2^{211211000221001} is an apocalyptic number.

It is an amenable number.

211211000221001 is a deficient number, since it is larger than the sum of its proper divisors (23548396251703).

211211000221001 is a wasteful number, since it uses less digits than its factorization.

211211000221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362283019311.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211211000221001 its reverse (100122000112112), we get a palindrome (311333000333113).

The spelling of 211211000221001 in words is "two hundred eleven trillion, two hundred eleven billion, two hundred twenty-one thousand, one".