21110131322 has 8 divisors (see below), whose sum is σ = 36188796576. Its totient is φ = 9047199132.

The previous prime is 21110131321. The next prime is 21110131337. The reversal of 21110131322 is 22313101112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21110131322.

It is not an unprimeable number, because it can be changed into a prime (21110131321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753933248 + ... + 753933275.

It is an arithmetic number, because the mean of its divisors is an integer number (4523599572).

Almost surely, 2^21110131322 is an apocalyptic number.

21110131322 is a deficient number, since it is larger than the sum of its proper divisors (15078665254).

21110131322 is a wasteful number, since it uses less digits than its factorization.

21110131322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507866532.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21110131322 its reverse (22313101112), we get a palindrome (43423232434).

The spelling of 21110131322 in words is "twenty-one billion, one hundred ten million, one hundred thirty-one thousand, three hundred twenty-two".