421120240711 has 2 divisors, whose sum is σ = 421120240712. Its totient is φ = 421120240710.

The previous prime is 421120240693. The next prime is 421120240729. The reversal of 421120240711 is 117042021124.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (421120240693) and next prime (421120240729).

It is a cyclic number.

It is not a de Polignac number, because 421120240711 - 2⁵ = 421120240679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421180240711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210560120355 + 210560120356.

It is an arithmetic number, because the mean of its divisors is an integer number (210560120356).

Almost surely, 2^421120240711 is an apocalyptic number.

421120240711 is a deficient number, since it is larger than the sum of its proper divisors (1).

421120240711 is an equidigital number, since it uses as much as digits as its factorization.

421120240711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 421120240711 its reverse (117042021124), we get a palindrome (538162261835).

The spelling of 421120240711 in words is "four hundred twenty-one billion, one hundred twenty million, two hundred forty thousand, seven hundred eleven".