202421140131 has 16 divisors (see below), whose sum is σ = 308531856384. Its totient is φ = 115638999744.

The previous prime is 202421140121. The next prime is 202421140153. The reversal of 202421140131 is 131041124202.

It is not a de Polignac number, because 202421140131 - 2⁹ = 202421139619 is a prime.

It is a super-2 number, since 2×202421140131² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 202421140098 and 202421140107.

It is not an unprimeable number, because it can be changed into a prime (202421140121) 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, 1176891 + ... + 1337876.

It is an arithmetic number, because the mean of its divisors is an integer number (19283241024).

Almost surely, 2^202421140131 is an apocalyptic number.

202421140131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

202421140131 is a deficient number, since it is larger than the sum of its proper divisors (106110716253).

202421140131 is a wasteful number, since it uses less digits than its factorization.

202421140131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518610.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 202421140131 its reverse (131041124202), we get a palindrome (333462264333).

The spelling of 202421140131 in words is "two hundred two billion, four hundred twenty-one million, one hundred forty thousand, one hundred thirty-one".