202121131482 has 24 divisors (see below), whose sum is σ = 447246760896. Its totient is φ = 65940227016.

The previous prime is 202121131393. The next prime is 202121131483. The reversal of 202121131482 is 284131121202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (202121131483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119456088 + ... + 119457779.

It is an arithmetic number, because the mean of its divisors is an integer number (18635281704).

Almost surely, 2^202121131482 is an apocalyptic number.

202121131482 is an abundant number, since it is smaller than the sum of its proper divisors (245125629414).

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

202121131482 is a wasteful number, since it uses less digits than its factorization.

202121131482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238913922 (or 238913919 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 202121131482 its reverse (284131121202), we get a palindrome (486252252684).

The spelling of 202121131482 in words is "two hundred two billion, one hundred twenty-one million, one hundred thirty-one thousand, four hundred eighty-two".