440121002162011 has 4 divisors (see below), whose sum is σ = 440121301584552. Its totient is φ = 440120702739472.

The previous prime is 440121002162003. The next prime is 440121002162069. The reversal of 440121002162011 is 110261200121044.

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 440121002162011 - 2³ = 440121002162003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440121002162411) 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, 147495490 + ... + 150449863.

It is an arithmetic number, because the mean of its divisors is an integer number (110030325396138).

Almost surely, 2^{440121002162011} is an apocalyptic number.

440121002162011 is a deficient number, since it is larger than the sum of its proper divisors (299422541).

440121002162011 is a wasteful number, since it uses less digits than its factorization.

440121002162011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299422540.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 440121002162011 its reverse (110261200121044), we get a palindrome (550382202283055).

The spelling of 440121002162011 in words is "four hundred forty trillion, one hundred twenty-one billion, two million, one hundred sixty-two thousand, eleven".