21020461134229 has 8 divisors (see below), whose sum is σ = 21053356803072. Its totient is φ = 20987587005840.

The previous prime is 21020461134227. The next prime is 21020461134241. The reversal of 21020461134229 is 92243116402012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21020461134229 - 2¹ = 21020461134227 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 (21020461134227) 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 7 ways as a sum of consecutive naturals, for example, 3431314 + ... + 7335859.

It is an arithmetic number, because the mean of its divisors is an integer number (2631669600384).

Almost surely, 2^{21020461134229} is an apocalyptic number.

It is an amenable number.

21020461134229 is a deficient number, since it is larger than the sum of its proper divisors (32895668843).

21020461134229 is a wasteful number, since it uses less digits than its factorization.

21020461134229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10770227.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 21020461134229 in words is "twenty-one trillion, twenty billion, four hundred sixty-one million, one hundred thirty-four thousand, two hundred twenty-nine".