21100324270 has 8 divisors (see below), whose sum is σ = 37980583704. Its totient is φ = 8440129704.

The previous prime is 21100324213. The next prime is 21100324303. The reversal of 21100324270 is 7242300112.

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

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, 1055016204 + ... + 1055016223.

It is an arithmetic number, because the mean of its divisors is an integer number (4747572963).

Almost surely, 2^21100324270 is an apocalyptic number.

21100324270 is a deficient number, since it is larger than the sum of its proper divisors (16880259434).

21100324270 is a wasteful number, since it uses less digits than its factorization.

21100324270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110032434.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 21100324270 its reverse (7242300112), we get a palindrome (28342624382).

The spelling of 21100324270 in words is "twenty-one billion, one hundred million, three hundred twenty-four thousand, two hundred seventy".