21104100410 has 32 divisors (see below), whose sum is σ = 38508704640. Its totient is φ = 8326127808.

The previous prime is 21104100359. The next prime is 21104100431. The reversal of 21104100410 is 1400140112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488051 + ... + 529529.

It is an arithmetic number, because the mean of its divisors is an integer number (1203397020).

Almost surely, 2^21104100410 is an apocalyptic number.

21104100410 is a deficient number, since it is larger than the sum of its proper divisors (17404604230).

21104100410 is a wasteful number, since it uses less digits than its factorization.

21104100410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42182.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21104100410 its reverse (1400140112), we get a palindrome (22504240522).

The spelling of 21104100410 in words is "twenty-one billion, one hundred four million, one hundred thousand, four hundred ten".