202421131010 has 40 divisors (see below), whose sum is σ = 425059133436. Its totient is φ = 69401522400.

The previous prime is 202421131007. The next prime is 202421131013. The reversal of 202421131010 is 10131124202.

202421131010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202421131007) and next prime (202421131013).

It can be written as a sum of positive squares in 2 ways, for example, as 198957926209 + 3463204801 = 446047^2 + 58849^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 202421131010.

It is not an unprimeable number, because it can be changed into a prime (202421131013) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4191341 + ... + 4239360.

Almost surely, 2^202421131010 is an apocalyptic number.

202421131010 is an abundant number, since it is smaller than the sum of its proper divisors (222638002426).

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

202421131010 is an frugal number, since it uses more digits than its factorization.

202421131010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8430736 (or 8430715 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 202421131010 its reverse (10131124202), we get a palindrome (212552255212).

The spelling of 202421131010 in words is "two hundred two billion, four hundred twenty-one million, one hundred thirty-one thousand, ten".