210221202131112 has 32 divisors (see below), whose sum is σ = 556467887995200. Its totient is φ = 65951749688064.

The previous prime is 210221202131071. The next prime is 210221202131113. The reversal of 210221202131112 is 211131202122012.

It is not an unprimeable number, because it can be changed into a prime (210221202131113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257624021812 + ... + 257624022627.

It is an arithmetic number, because the mean of its divisors is an integer number (17389621499850).

Almost surely, 2^{210221202131112} is an apocalyptic number.

It is an amenable number.

210221202131112 is an abundant number, since it is smaller than the sum of its proper divisors (346246685864088).

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

210221202131112 is a wasteful number, since it uses less digits than its factorization.

210221202131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515248044465 (or 515248044461 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 210221202131112 its reverse (211131202122012), we get a palindrome (421352404253124).

The spelling of 210221202131112 in words is "two hundred ten trillion, two hundred twenty-one billion, two hundred two million, one hundred thirty-one thousand, one hundred twelve".