421111142233 has 4 divisors (see below), whose sum is σ = 428248619280. Its totient is φ = 413973665188.

The previous prime is 421111142209. The next prime is 421111142261. The reversal of 421111142233 is 332241111124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421111142233 - 2²⁹ = 420574271321 is a prime.

It is a super-2 number, since 2×421111142233² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421111142198 and 421111142207.

It is not an unprimeable number, because it can be changed into a prime (421111842233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3568738435 + ... + 3568738552.

It is an arithmetic number, because the mean of its divisors is an integer number (107062154820).

Almost surely, 2^421111142233 is an apocalyptic number.

It is an amenable number.

421111142233 is a deficient number, since it is larger than the sum of its proper divisors (7137477047).

421111142233 is an equidigital number, since it uses as much as digits as its factorization.

421111142233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137477046.

The product of its digits is 1152, while the sum is 25.

Adding to 421111142233 its reverse (332241111124), we get a palindrome (753352253357).

The spelling of 421111142233 in words is "four hundred twenty-one billion, one hundred eleven million, one hundred forty-two thousand, two hundred thirty-three".