421212021113033 has 4 divisors (see below), whose sum is σ = 422890156655568. Its totient is φ = 419533885570500.

The previous prime is 421212021113003. The next prime is 421212021113063. The reversal of 421212021113033 is 330311120212124.

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 an interprime number because it is at equal distance from previous prime (421212021113003) and next prime (421212021113063).

It is a cyclic number.

It is not a de Polignac number, because 421212021113033 - 2¹⁰ = 421212021112009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421212021112993 and 421212021113011.

It is not an unprimeable number, because it can be changed into a prime (421212021113003) 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 3 ways as a sum of consecutive naturals, for example, 839067770891 + ... + 839067771392.

It is an arithmetic number, because the mean of its divisors is an integer number (105722539163892).

Almost surely, 2^{421212021113033} is an apocalyptic number.

It is an amenable number.

421212021113033 is a deficient number, since it is larger than the sum of its proper divisors (1678135542535).

421212021113033 is a wasteful number, since it uses less digits than its factorization.

421212021113033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678135542534.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 421212021113033 its reverse (330311120212124), we get a palindrome (751523141325157).

Subtracting from 421212021113033 its reverse (330311120212124), we obtain a palindrome (90900900900909).

The spelling of 421212021113033 in words is "four hundred twenty-one trillion, two hundred twelve billion, twenty-one million, one hundred thirteen thousand, thirty-three".