211000021201 has 8 divisors (see below), whose sum is σ = 227074276584. Its totient is φ = 195332709120.

The previous prime is 211000021181. The next prime is 211000021231. The reversal of 211000021201 is 102120000112.

It can be written as a sum of positive squares in 4 ways, for example, as 23230332225 + 187769688976 = 152415^2 + 433324^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-211000021201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211000021231) 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, 101734750 + ... + 101736823.

It is an arithmetic number, because the mean of its divisors is an integer number (28384284573).

Almost surely, 2^211000021201 is an apocalyptic number.

It is an amenable number.

211000021201 is a deficient number, since it is larger than the sum of its proper divisors (16074255383).

211000021201 is a wasteful number, since it uses less digits than its factorization.

211000021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203471651.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 211000021201 its reverse (102120000112), we get a palindrome (313120021313).

The spelling of 211000021201 in words is "two hundred eleven billion, twenty-one thousand, two hundred one".