40221314121 has 4 divisors (see below), whose sum is σ = 53628418832. Its totient is φ = 26814209412.

The previous prime is 40221314093. The next prime is 40221314123. The reversal of 40221314121 is 12141312204.

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 40221314121 - 2²³ = 40212925513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40221314123) 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, 6703552351 + ... + 6703552356.

It is an arithmetic number, because the mean of its divisors is an integer number (13407104708).

Almost surely, 2^40221314121 is an apocalyptic number.

It is an amenable number.

40221314121 is a deficient number, since it is larger than the sum of its proper divisors (13407104711).

40221314121 is a wasteful number, since it uses less digits than its factorization.

40221314121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13407104710.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 40221314121 its reverse (12141312204), we get a palindrome (52362626325).

The spelling of 40221314121 in words is "forty billion, two hundred twenty-one million, three hundred fourteen thousand, one hundred twenty-one".