421536241101 has 4 divisors (see below), whose sum is σ = 562048321472. Its totient is φ = 281024160732.

The previous prime is 421536241073. The next prime is 421536241121. The reversal of 421536241101 is 101142635124.

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 421536241101 - 2⁶ = 421536241037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421536241121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70256040181 + ... + 70256040186.

It is an arithmetic number, because the mean of its divisors is an integer number (140512080368).

Almost surely, 2^421536241101 is an apocalyptic number.

It is an amenable number.

421536241101 is a deficient number, since it is larger than the sum of its proper divisors (140512080371).

421536241101 is a wasteful number, since it uses less digits than its factorization.

421536241101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140512080370.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 421536241101 its reverse (101142635124), we get a palindrome (522678876225).

The spelling of 421536241101 in words is "four hundred twenty-one billion, five hundred thirty-six million, two hundred forty-one thousand, one hundred one".