401422424101 has 2 divisors, whose sum is σ = 401422424102. Its totient is φ = 401422424100.

The previous prime is 401422424099. The next prime is 401422424149. The reversal of 401422424101 is 101424224104.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 333171384100 + 68251040001 = 577210^2 + 261249^2 .

It is a cyclic number.

It is not a de Polignac number, because 401422424101 - 2¹ = 401422424099 is a prime.

It is a super-2 number, since 2×401422424101² (a number of 24 digits) contains 22 as substring.

Together with 401422424099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401422404101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200711212050 + 200711212051.

It is an arithmetic number, because the mean of its divisors is an integer number (200711212051).

Almost surely, 2^401422424101 is an apocalyptic number.

It is an amenable number.

401422424101 is a deficient number, since it is larger than the sum of its proper divisors (1).

401422424101 is an equidigital number, since it uses as much as digits as its factorization.

401422424101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 401422424101 its reverse (101424224104), we get a palindrome (502846648205).

The spelling of 401422424101 in words is "four hundred one billion, four hundred twenty-two million, four hundred twenty-four thousand, one hundred one".