421101311 has 2 divisors, whose sum is σ = 421101312. Its totient is φ = 421101310.

The previous prime is 421101301. The next prime is 421101337. The reversal of 421101311 is 113101124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421101311 - 2¹⁴ = 421084927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421101301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210550655 + 210550656.

It is an arithmetic number, because the mean of its divisors is an integer number (210550656).

Almost surely, 2^421101311 is an apocalyptic number.

421101311 is a deficient number, since it is larger than the sum of its proper divisors (1).

421101311 is an equidigital number, since it uses as much as digits as its factorization.

421101311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 421101311 is about 20520.7531781852. The cubic root of 421101311 is about 749.5412370689.

Adding to 421101311 its reverse (113101124), we get a palindrome (534202435).

The spelling of 421101311 in words is "four hundred twenty-one million, one hundred one thousand, three hundred eleven".