21100210300104 has 64 divisors (see below), whose sum is σ = 59798166859200. Its totient is φ = 6150668587776.

The previous prime is 21100210300063. The next prime is 21100210300121. The reversal of 21100210300104 is 40100301200112.

It is a super-2 number, since 2×21100210300104² (a number of 27 digits) contains 22 as substring.

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, 1779701419 + ... + 1779713274.

It is an arithmetic number, because the mean of its divisors is an integer number (934346357175).

Almost surely, 2^{21100210300104} is an apocalyptic number.

21100210300104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21100210300104 is an abundant number, since it is smaller than the sum of its proper divisors (38697956559096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21100210300104 is a wasteful number, since it uses less digits than its factorization.

21100210300104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559414734 (or 3559414730 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 21100210300104 its reverse (40100301200112), we get a palindrome (61200511500216).

The spelling of 21100210300104 in words is "twenty-one trillion, one hundred billion, two hundred ten million, three hundred thousand, one hundred four".