211231203323101 has 16 divisors (see below), whose sum is σ = 229606939324224. Its totient is φ = 193159369545984.

The previous prime is 211231203323087. The next prime is 211231203323113. The reversal of 211231203323101 is 101323302132112.

211231203323101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 211231203323101 - 2¹¹ = 211231203321053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211231203363101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442081141 + ... + 442558693.

It is an arithmetic number, because the mean of its divisors is an integer number (14350433707764).

Almost surely, 2^{211231203323101} is an apocalyptic number.

It is an amenable number.

211231203323101 is a deficient number, since it is larger than the sum of its proper divisors (18375736001123).

211231203323101 is a wasteful number, since it uses less digits than its factorization.

211231203323101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795660.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 211231203323101 its reverse (101323302132112), we get a palindrome (312554505455213).

The spelling of 211231203323101 in words is "two hundred eleven trillion, two hundred thirty-one billion, two hundred three million, three hundred twenty-three thousand, one hundred one".