21843102320428 has 6 divisors (see below), whose sum is σ = 38225429060756. Its totient is φ = 10921551160212.

The previous prime is 21843102320419. The next prime is 21843102320441. The reversal of 21843102320428 is 82402320134812.

It is a super-2 number, since 2×21843102320428² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2730387790050 + ... + 2730387790057.

Almost surely, 2^{21843102320428} is an apocalyptic number.

It is an amenable number.

21843102320428 is a deficient number, since it is larger than the sum of its proper divisors (16382326740328).

21843102320428 is a wasteful number, since it uses less digits than its factorization.

21843102320428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460775580111 (or 5460775580109 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 21843102320428 in words is "twenty-one trillion, eight hundred forty-three billion, one hundred two million, three hundred twenty thousand, four hundred twenty-eight".