21201322114 has 16 divisors (see below), whose sum is σ = 36805190400. Its totient is φ = 8971264224.

The previous prime is 21201322111. The next prime is 21201322139. The reversal of 21201322114 is 41122310212.

It is a junction number, because it is equal to n+sod(n) for n = 21201322091 and 21201322100.

It is not an unprimeable number, because it can be changed into a prime (21201322111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9583579 + ... + 9585790.

It is an arithmetic number, because the mean of its divisors is an integer number (2300324400).

Almost surely, 2^21201322114 is an apocalyptic number.

21201322114 is a deficient number, since it is larger than the sum of its proper divisors (15603868286).

21201322114 is a wasteful number, since it uses less digits than its factorization.

21201322114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19169457.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21201322114 its reverse (41122310212), we get a palindrome (62323632326).

The spelling of 21201322114 in words is "twenty-one billion, two hundred one million, three hundred twenty-two thousand, one hundred fourteen".