40110241001221 has 4 divisors (see below), whose sum is σ = 40356316099552. Its totient is φ = 39864165902892.

The previous prime is 40110241001153. The next prime is 40110241001261. The reversal of 40110241001221 is 12210014201104.

It is a happy number.

40110241001221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40110241001221 - 2¹⁵ = 40110240968453 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 (40110241001261) 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, 123037548921 + ... + 123037549246.

It is an arithmetic number, because the mean of its divisors is an integer number (10089079024888).

Almost surely, 2^{40110241001221} is an apocalyptic number.

It is an amenable number.

40110241001221 is a deficient number, since it is larger than the sum of its proper divisors (246075098331).

40110241001221 is a wasteful number, since it uses less digits than its factorization.

40110241001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246075098330.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 40110241001221 its reverse (12210014201104), we get a palindrome (52320255202325).

The spelling of 40110241001221 in words is "forty trillion, one hundred ten billion, two hundred forty-one million, one thousand, two hundred twenty-one".