210320131122 has 32 divisors (see below), whose sum is σ = 475040012160. Its totient is φ = 68957418960.

The previous prime is 210320131051. The next prime is 210320131127. The reversal of 210320131122 is 221131023012.

210320131122 is a `hidden beast` number, since 2 + 10 + 320 + 1 + 311 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210320131095 and 210320131104.

It is not an unprimeable number, because it can be changed into a prime (210320131127) 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, 31921438 + ... + 31928025.

It is an arithmetic number, because the mean of its divisors is an integer number (14845000380).

Almost surely, 2^210320131122 is an apocalyptic number.

210320131122 is an abundant number, since it is smaller than the sum of its proper divisors (264719881038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210320131122 is a wasteful number, since it uses less digits than its factorization.

210320131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63849535 (or 63849529 counting only the distinct ones).

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

Adding to 210320131122 its reverse (221131023012), we get a palindrome (431451154134).

The spelling of 210320131122 in words is "two hundred ten billion, three hundred twenty million, one hundred thirty-one thousand, one hundred twenty-two".