21202133329 has 8 divisors (see below), whose sum is σ = 22984281152. Its totient is φ = 19441587600.

The previous prime is 21202133327. The next prime is 21202133341. The reversal of 21202133329 is 92333120212.

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 21202133329 - 2¹ = 21202133327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21202133297 and 21202133306.

It is not an unprimeable number, because it can be changed into a prime (21202133327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5398479 + ... + 5402404.

It is an arithmetic number, because the mean of its divisors is an integer number (2873035144).

Almost surely, 2^21202133329 is an apocalyptic number.

It is an amenable number.

21202133329 is a deficient number, since it is larger than the sum of its proper divisors (1782147823).

21202133329 is a wasteful number, since it uses less digits than its factorization.

21202133329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10801047.

The product of its (nonzero) digits is 3888, while the sum is 28.

It can be divided in two parts, 212021 and 33329, that added together give a triangular number (245350 = T₇₀₀).

The spelling of 21202133329 in words is "twenty-one billion, two hundred two million, one hundred thirty-three thousand, three hundred twenty-nine".