211010210001 has 20 divisors (see below), whose sum is σ = 321160200372. Its totient is φ = 138019254048.

The previous prime is 211010209997. The next prime is 211010210053. The reversal of 211010210001 is 100012010112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 190689422400 + 20320787601 = 436680^2 + 142551^2 .

It is not a de Polignac number, because 211010210001 - 2² = 211010209997 is a prime.

It is a super-2 number, since 2×211010210001² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (211010210071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24571786 + ... + 24580371.

Almost surely, 2^211010210001 is an apocalyptic number.

It is an amenable number.

211010210001 is a deficient number, since it is larger than the sum of its proper divisors (110149990371).

211010210001 is an equidigital number, since it uses as much as digits as its factorization.

211010210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49152222 (or 49152213 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 211010210001 its reverse (100012010112), we get a palindrome (311022220113).

The spelling of 211010210001 in words is "two hundred eleven billion, ten million, two hundred ten thousand, one".