21100211302 has 16 divisors (see below), whose sum is σ = 32332847040. Its totient is φ = 10322722368.

The previous prime is 21100211257. The next prime is 21100211323. The reversal of 21100211302 is 20311200112.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 324508 + ... + 384064.

It is an arithmetic number, because the mean of its divisors is an integer number (2020802940).

Almost surely, 2^21100211302 is an apocalyptic number.

21100211302 is a deficient number, since it is larger than the sum of its proper divisors (11232635738).

21100211302 is a wasteful number, since it uses less digits than its factorization.

21100211302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63375.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21100211302 its reverse (20311200112), we get a palindrome (41411411414).

The spelling of 21100211302 in words is "twenty-one billion, one hundred million, two hundred eleven thousand, three hundred two".