211000202101 has 4 divisors (see below), whose sum is σ = 227230986892. Its totient is φ = 194769417312.

The previous prime is 211000202093. The next prime is 211000202201. The reversal of 211000202101 is 101202000112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18673222500 + 192326979601 = 136650^2 + 438551^2 .

It is a cyclic number.

It is not a de Polignac number, because 211000202101 - 2³ = 211000202093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211000202201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8115392376 + ... + 8115392401.

It is an arithmetic number, because the mean of its divisors is an integer number (56807746723).

Almost surely, 2^211000202101 is an apocalyptic number.

It is an amenable number.

211000202101 is a deficient number, since it is larger than the sum of its proper divisors (16230784791).

211000202101 is a wasteful number, since it uses less digits than its factorization.

211000202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16230784790.

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

Adding to 211000202101 its reverse (101202000112), we get a palindrome (312202202213).

The spelling of 211000202101 in words is "two hundred eleven billion, two hundred two thousand, one hundred one".