420221112311 has 16 divisors (see below), whose sum is σ = 564212963328. Its totient is φ = 302256943200.

The previous prime is 420221112299. The next prime is 420221112313. The reversal of 420221112311 is 113211122024.

It is a cyclic number.

It is not a de Polignac number, because 420221112311 - 2¹⁰ = 420221111287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420221112313) 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 in 15 ways as a sum of consecutive naturals, for example, 209899655 + ... + 209901656.

It is an arithmetic number, because the mean of its divisors is an integer number (35263310208).

Almost surely, 2^420221112311 is an apocalyptic number.

420221112311 is a deficient number, since it is larger than the sum of its proper divisors (143991851017).

420221112311 is a wasteful number, since it uses less digits than its factorization.

420221112311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419801342.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 420221112311 its reverse (113211122024), we get a palindrome (533432234335).

The spelling of 420221112311 in words is "four hundred twenty billion, two hundred twenty-one million, one hundred twelve thousand, three hundred eleven".