241221435215011 has 4 divisors (see below), whose sum is σ = 241343696461392. Its totient is φ = 241099173968632.

The previous prime is 241221435214967. The next prime is 241221435215021. The reversal of 241221435215011 is 110512534122142.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 241221435215011 - 2²⁷ = 241221300997283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (241221435215021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61130620231 + ... + 61130624176.

It is an arithmetic number, because the mean of its divisors is an integer number (60335924115348).

Almost surely, 2^{241221435215011} is an apocalyptic number.

241221435215011 is a deficient number, since it is larger than the sum of its proper divisors (122261246381).

241221435215011 is a wasteful number, since it uses less digits than its factorization.

241221435215011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122261246380.

The product of its (nonzero) digits is 19200, while the sum is 34.

Adding to 241221435215011 its reverse (110512534122142), we get a palindrome (351733969337153).

The spelling of 241221435215011 in words is "two hundred forty-one trillion, two hundred twenty-one billion, four hundred thirty-five million, two hundred fifteen thousand, eleven".