421133011 has 4 divisors (see below), whose sum is σ = 453527872. Its totient is φ = 388738152.

The previous prime is 421132991. The next prime is 421133029. The reversal of 421133011 is 110331124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421133011 - 2⁹ = 421132499 is a prime.

It is a super-2 number, since 2×421133011² = 354706025907852242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421133311) 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, 16197411 + ... + 16197436.

It is an arithmetic number, because the mean of its divisors is an integer number (113381968).

Almost surely, 2^421133011 is an apocalyptic number.

421133011 is a deficient number, since it is larger than the sum of its proper divisors (32394861).

421133011 is a wasteful number, since it uses less digits than its factorization.

421133011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32394860.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 421133011 is about 20521.5255524535. The cubic root of 421133011 is about 749.5600447845.

Adding to 421133011 its reverse (110331124), we get a palindrome (531464135).

The spelling of 421133011 in words is "four hundred twenty-one million, one hundred thirty-three thousand, eleven".