21100230322 has 8 divisors (see below), whose sum is σ = 33316153200. Its totient is φ = 9994845924.

The previous prime is 21100230313. The next prime is 21100230331. The reversal of 21100230322 is 22303200112.

It is an interprime number because it is at equal distance from previous prime (21100230313) and next prime (21100230331).

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

It is a junction number, because it is equal to n+sod(n) for n = 21100230296 and 21100230305.

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, 277634572 + ... + 277634647.

It is an arithmetic number, because the mean of its divisors is an integer number (4164519150).

Almost surely, 2^21100230322 is an apocalyptic number.

21100230322 is a deficient number, since it is larger than the sum of its proper divisors (12215922878).

21100230322 is a wasteful number, since it uses less digits than its factorization.

21100230322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555269240.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21100230322 its reverse (22303200112), we get a palindrome (43403430434).

The spelling of 21100230322 in words is "twenty-one billion, one hundred million, two hundred thirty thousand, three hundred twenty-two".