21100231200302 has 8 divisors (see below), whose sum is σ = 33512131906416. Its totient is φ = 9929520564832.

The previous prime is 21100231200247. The next prime is 21100231200317. The reversal of 21100231200302 is 20300213200112.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310297517618 + ... + 310297517685.

It is an arithmetic number, because the mean of its divisors is an integer number (4189016488302).

Almost surely, 2^{21100231200302} is an apocalyptic number.

21100231200302 is a deficient number, since it is larger than the sum of its proper divisors (12411900706114).

21100231200302 is a wasteful number, since it uses less digits than its factorization.

21100231200302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620595035322.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21100231200302 its reverse (20300213200112), we get a palindrome (41400444400414).

The spelling of 21100231200302 in words is "twenty-one trillion, one hundred billion, two hundred thirty-one million, two hundred thousand, three hundred two".