401121102013 has 2 divisors, whose sum is σ = 401121102014. Its totient is φ = 401121102012.

The previous prime is 401121101947. The next prime is 401121102029. The reversal of 401121102013 is 310201121104.

It is an a-pointer prime, because the next prime (401121102029) can be obtained adding 401121102013 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235470474009 + 165650628004 = 485253^2 + 407002^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401121102013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401121102313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200560551006 + 200560551007.

It is an arithmetic number, because the mean of its divisors is an integer number (200560551007).

Almost surely, 2^401121102013 is an apocalyptic number.

It is an amenable number.

401121102013 is a deficient number, since it is larger than the sum of its proper divisors (1).

401121102013 is an equidigital number, since it uses as much as digits as its factorization.

401121102013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 401121102013 its reverse (310201121104), we get a palindrome (711322223117).

The spelling of 401121102013 in words is "four hundred one billion, one hundred twenty-one million, one hundred two thousand, thirteen".