241535142021 has 4 divisors (see below), whose sum is σ = 322046856032. Its totient is φ = 161023428012.

The previous prime is 241535142011. The next prime is 241535142047. The reversal of 241535142021 is 120241535142.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 241535142021 - 2⁶ = 241535141957 is a prime.

It is a super-2 number, since 2×241535142021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 241535142021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241535142001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40255857001 + ... + 40255857006.

It is an arithmetic number, because the mean of its divisors is an integer number (80511714008).

Almost surely, 2^241535142021 is an apocalyptic number.

It is an amenable number.

241535142021 is a deficient number, since it is larger than the sum of its proper divisors (80511714011).

241535142021 is an equidigital number, since it uses as much as digits as its factorization.

241535142021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80511714010.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 241535142021 its reverse (120241535142), we get a palindrome (361776677163).

The spelling of 241535142021 in words is "two hundred forty-one billion, five hundred thirty-five million, one hundred forty-two thousand, twenty-one".