1010240535221 has 4 divisors (see below), whose sum is σ = 1010306035872. Its totient is φ = 1010175034572.

The previous prime is 1010240535217. The next prime is 1010240535223. The reversal of 1010240535221 is 1225350420101.

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 a cyclic number.

It is not a de Polignac number, because 1010240535221 - 2² = 1010240535217 is a prime.

It is a super-2 number, since 2×1010240535221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010240535223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32727185 + ... + 32758038.

It is an arithmetic number, because the mean of its divisors is an integer number (252576508968).

Almost surely, 2^{1010240535221} is an apocalyptic number.

It is an amenable number.

1010240535221 is a deficient number, since it is larger than the sum of its proper divisors (65500651).

1010240535221 is an equidigital number, since it uses as much as digits as its factorization.

1010240535221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65500650.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 1010240535221 its reverse (1225350420101), we get a palindrome (2235590955322).

The spelling of 1010240535221 in words is "one trillion, ten billion, two hundred forty million, five hundred thirty-five thousand, two hundred twenty-one".