21113120922 has 16 divisors (see below), whose sum is σ = 42548581152. Its totient is φ = 6983983760.

The previous prime is 21113120911. The next prime is 21113120939. The reversal of 21113120922 is 22902131112.

It is a junction number, because it is equal to n+sod(n) for n = 21113120892 and 21113120901.

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, 13429953 + ... + 13431524.

It is an arithmetic number, because the mean of its divisors is an integer number (2659286322).

Almost surely, 2^21113120922 is an apocalyptic number.

21113120922 is an abundant number, since it is smaller than the sum of its proper divisors (21435460230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21113120922 is a wasteful number, since it uses less digits than its factorization.

21113120922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26861613.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 21113120922 in words is "twenty-one billion, one hundred thirteen million, one hundred twenty thousand, nine hundred twenty-two".