21113300122 has 8 divisors (see below), whose sum is σ = 31670571456. Its totient is φ = 10556442972.

The previous prime is 21113300111. The next prime is 21113300123. The reversal of 21113300122 is 22100331112.

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 = 21113300096 and 21113300105.

It is not an unprimeable number, because it can be changed into a prime (21113300123) 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, 123213 + ... + 239599.

It is an arithmetic number, because the mean of its divisors is an integer number (3958821432).

Almost surely, 2^21113300122 is an apocalyptic number.

21113300122 is a deficient number, since it is larger than the sum of its proper divisors (10557271334).

21113300122 is a wasteful number, since it uses less digits than its factorization.

21113300122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207092.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21113300122 its reverse (22100331112), we get a palindrome (43213631234).

The spelling of 21113300122 in words is "twenty-one billion, one hundred thirteen million, three hundred thousand, one hundred twenty-two".