211822100001 has 16 divisors (see below), whose sum is σ = 330326862400. Its totient is φ = 133782378624.

The previous prime is 211822099987. The next prime is 211822100011. The reversal of 211822100001 is 100001228112.

It is not a de Polignac number, because 211822100001 - 2¹³ = 211822091809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211822100011) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 206453776 + ... + 206454801.

It is an arithmetic number, because the mean of its divisors is an integer number (20645428900).

Almost surely, 2^211822100001 is an apocalyptic number.

It is an amenable number.

211822100001 is a deficient number, since it is larger than the sum of its proper divisors (118504762399).

211822100001 is a wasteful number, since it uses less digits than its factorization.

211822100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412908605 (or 412908599 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211822100001 its reverse (100001228112), we get a palindrome (311823328113).

The spelling of 211822100001 in words is "two hundred eleven billion, eight hundred twenty-two million, one hundred thousand, one".