211110201001 has 6 divisors (see below), whose sum is σ = 245577172650. Its totient is φ = 180951600816.

The previous prime is 211110200999. The next prime is 211110201007. The reversal of 211110201001 is 100102011112.

It can be written as a sum of positive squares in only one way, i.e., 198982905625 + 12127295376 = 446075^2 + 110124^2 .

It is not a de Polignac number, because 211110201001 - 2¹ = 211110200999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211110201007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2154185676 + ... + 2154185773.

It is an arithmetic number, because the mean of its divisors is an integer number (40929528775).

Almost surely, 2^211110201001 is an apocalyptic number.

It is an amenable number.

211110201001 is a deficient number, since it is larger than the sum of its proper divisors (34466971649).

211110201001 is an equidigital number, since it uses as much as digits as its factorization.

211110201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308371463 (or 4308371456 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 211110201001 its reverse (100102011112), we get a palindrome (311212212113).

The spelling of 211110201001 in words is "two hundred eleven billion, one hundred ten million, two hundred one thousand, one".