211411403101 has 4 divisors (see below), whose sum is σ = 211427617500. Its totient is φ = 211395188704.

The previous prime is 211411403081. The next prime is 211411403129. The reversal of 211411403101 is 101304114112.

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 58503031876 + 152908371225 = 241874^2 + 391035^2 .

It is a cyclic number.

It is not a de Polignac number, because 211411403101 - 2⁷ = 211411402973 is a prime.

It is a super-2 number, since 2×211411403101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211411403131) 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, 8087626 + ... + 8113723.

It is an arithmetic number, because the mean of its divisors is an integer number (52856904375).

Almost surely, 2^211411403101 is an apocalyptic number.

It is an amenable number.

211411403101 is a deficient number, since it is larger than the sum of its proper divisors (16214399).

211411403101 is a wasteful number, since it uses less digits than its factorization.

211411403101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16214398.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 211411403101 its reverse (101304114112), we get a palindrome (312715517213).

The spelling of 211411403101 in words is "two hundred eleven billion, four hundred eleven million, four hundred three thousand, one hundred one".