21104003423402 has 8 divisors (see below), whose sum is σ = 32192547595200. Its totient is φ = 10373154225004.

The previous prime is 21104003423387. The next prime is 21104003423429. The reversal of 21104003423402 is 20432430040112.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89423743202 + ... + 89423743437.

It is an arithmetic number, because the mean of its divisors is an integer number (4024068449400).

Almost surely, 2^{21104003423402} is an apocalyptic number.

21104003423402 is a deficient number, since it is larger than the sum of its proper divisors (11088544171798).

21104003423402 is a wasteful number, since it uses less digits than its factorization.

21104003423402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178847486700.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 21104003423402 its reverse (20432430040112), we get a palindrome (41536433463514).

The spelling of 21104003423402 in words is "twenty-one trillion, one hundred four billion, three million, four hundred twenty-three thousand, four hundred two".