40311114201221 has 4 divisors (see below), whose sum is σ = 40319389942944. Its totient is φ = 40302838459500.

The previous prime is 40311114201173. The next prime is 40311114201223. The reversal of 40311114201221 is 12210241111304.

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 40311114201221 - 2⁶ = 40311114201157 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 (40311114201223) 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, 4137863555 + ... + 4137873296.

It is an arithmetic number, because the mean of its divisors is an integer number (10079847485736).

Almost surely, 2^{40311114201221} is an apocalyptic number.

It is an amenable number.

40311114201221 is a deficient number, since it is larger than the sum of its proper divisors (8275741723).

40311114201221 is an equidigital number, since it uses as much as digits as its factorization.

40311114201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8275741722.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 40311114201221 its reverse (12210241111304), we get a palindrome (52521355312525).

The spelling of 40311114201221 in words is "forty trillion, three hundred eleven billion, one hundred fourteen million, two hundred one thousand, two hundred twenty-one".