421112033 has 2 divisors, whose sum is σ = 421112034. Its totient is φ = 421112032.

The previous prime is 421112023. The next prime is 421112047. The reversal of 421112033 is 330211124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211644304 + 209467729 = 14548^2 + 14473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421112033 is a prime.

It is not a weakly prime, because it can be changed into another prime (421112023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210556016 + 210556017.

It is an arithmetic number, because the mean of its divisors is an integer number (210556017).

Almost surely, 2^421112033 is an apocalyptic number.

It is an amenable number.

421112033 is a deficient number, since it is larger than the sum of its proper divisors (1).

421112033 is an equidigital number, since it uses as much as digits as its factorization.

421112033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 421112033 is about 20521.0144242433. The cubic root of 421112033 is about 749.5475985729.

Adding to 421112033 its reverse (330211124), we get a palindrome (751323157).

Subtracting from 421112033 its reverse (330211124), we obtain a palindrome (90900909).

It can be divided in two parts, 42111 and 2033, that added together give a palindrome (44144).

The spelling of 421112033 in words is "four hundred twenty-one million, one hundred twelve thousand, thirty-three".