21101010322 has 16 divisors (see below), whose sum is σ = 36766164672. Its totient is φ = 8895039120.

The previous prime is 21101010251. The next prime is 21101010341. The reversal of 21101010322 is 22301010112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12353368 + ... + 12355075.

It is an arithmetic number, because the mean of its divisors is an integer number (2297885292).

Almost surely, 2^21101010322 is an apocalyptic number.

21101010322 is a deficient number, since it is larger than the sum of its proper divisors (15665154350).

21101010322 is a wasteful number, since it uses less digits than its factorization.

21101010322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24708513.

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

Adding to 21101010322 its reverse (22301010112), we get a palindrome (43402020434).

The spelling of 21101010322 in words is "twenty-one billion, one hundred one million, ten thousand, three hundred twenty-two".