21100321110010 has 8 divisors (see below), whose sum is σ = 37980577998036. Its totient is φ = 8440128444000.

The previous prime is 21100321109983. The next prime is 21100321110059. The reversal of 21100321110010 is 1001112300112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20990939438569 + 109381671441 = 4581587^2 + 330729^2 .

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

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, 1055016055491 + ... + 1055016055510.

Almost surely, 2^{21100321110010} is an apocalyptic number.

21100321110010 is a deficient number, since it is larger than the sum of its proper divisors (16880256888026).

21100321110010 is a wasteful number, since it uses less digits than its factorization.

21100321110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110032111008.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 21100321110010 its reverse (1001112300112), we get a palindrome (22101433410122).

The spelling of 21100321110010 in words is "twenty-one trillion, one hundred billion, three hundred twenty-one million, one hundred ten thousand, ten".