213022123101 has 8 divisors (see below), whose sum is σ = 315588330560. Its totient is φ = 142014748716.

The previous prime is 213022123037. The next prime is 213022123141. The reversal of 213022123101 is 101321220312.

213022123101 is a `hidden beast` number, since 2 + 130 + 221 + 2 + 310 + 1 = 666.

213022123101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213022123101 - 2⁶ = 213022123037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213022123141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3944854105 + ... + 3944854158.

It is an arithmetic number, because the mean of its divisors is an integer number (39448541320).

Almost surely, 2^213022123101 is an apocalyptic number.

It is an amenable number.

213022123101 is a deficient number, since it is larger than the sum of its proper divisors (102566207459).

213022123101 is an equidigital number, since it uses as much as digits as its factorization.

213022123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7889708272 (or 7889708266 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 213022123101 its reverse (101321220312), we get a palindrome (314343343413).

The spelling of 213022123101 in words is "two hundred thirteen billion, twenty-two million, one hundred twenty-three thousand, one hundred one".