400122443311 has 2 divisors, whose sum is σ = 400122443312. Its totient is φ = 400122443310.

The previous prime is 400122443291. The next prime is 400122443323. The reversal of 400122443311 is 113344221004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400122443311 - 2³⁷ = 262683489839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400122443381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200061221655 + 200061221656.

It is an arithmetic number, because the mean of its divisors is an integer number (200061221656).

Almost surely, 2^400122443311 is an apocalyptic number.

400122443311 is a deficient number, since it is larger than the sum of its proper divisors (1).

400122443311 is an equidigital number, since it uses as much as digits as its factorization.

400122443311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 400122443311 its reverse (113344221004), we get a palindrome (513466664315).

The spelling of 400122443311 in words is "four hundred billion, one hundred twenty-two million, four hundred forty-three thousand, three hundred eleven".