441402123011 has 2 divisors, whose sum is σ = 441402123012. Its totient is φ = 441402123010.

The previous prime is 441402122989. The next prime is 441402123013. The reversal of 441402123011 is 110321204144.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 441402123011 - 2⁶ = 441402122947 is a prime.

It is a super-2 number, since 2×441402123011² (a number of 24 digits) contains 22 as substring.

Together with 441402123013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (441402123013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220701061505 + 220701061506.

It is an arithmetic number, because the mean of its divisors is an integer number (220701061506).

Almost surely, 2^441402123011 is an apocalyptic number.

441402123011 is a deficient number, since it is larger than the sum of its proper divisors (1).

441402123011 is an equidigital number, since it uses as much as digits as its factorization.

441402123011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 441402123011 its reverse (110321204144), we get a palindrome (551723327155).

The spelling of 441402123011 in words is "four hundred forty-one billion, four hundred two million, one hundred twenty-three thousand, eleven".