10434220021 has 4 divisors (see below), whose sum is σ = 10535523232. Its totient is φ = 10332916812.

The previous prime is 10434219989. The next prime is 10434220057. The reversal of 10434220021 is 12002243401.

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 10434220021 - 2⁵ = 10434219989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10434220061) 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, 50651451 + ... + 50651656.

It is an arithmetic number, because the mean of its divisors is an integer number (2633880808).

Almost surely, 2^10434220021 is an apocalyptic number.

It is an amenable number.

10434220021 is a deficient number, since it is larger than the sum of its proper divisors (101303211).

10434220021 is a wasteful number, since it uses less digits than its factorization.

10434220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101303210.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 10434220021 its reverse (12002243401), we get a palindrome (22436463422).

The spelling of 10434220021 in words is "ten billion, four hundred thirty-four million, two hundred twenty thousand, twenty-one".