400211121112027 has 2 divisors, whose sum is σ = 400211121112028. Its totient is φ = 400211121112026.

The previous prime is 400211121112021. The next prime is 400211121112063. The reversal of 400211121112027 is 720211121112004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400211121112027 - 2¹⁹ = 400211120587739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400211121111992 and 400211121112010.

It is not a weakly prime, because it can be changed into another prime (400211121112021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200105560556013 + 200105560556014.

It is an arithmetic number, because the mean of its divisors is an integer number (200105560556014).

Almost surely, 2^{400211121112027} is an apocalyptic number.

400211121112027 is a deficient number, since it is larger than the sum of its proper divisors (1).

400211121112027 is an equidigital number, since it uses as much as digits as its factorization.

400211121112027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

The spelling of 400211121112027 in words is "four hundred trillion, two hundred eleven billion, one hundred twenty-one million, one hundred twelve thousand, twenty-seven".