21200222123032 has 16 divisors (see below), whose sum is σ = 39756578477400. Its totient is φ = 10598467862400.

The previous prime is 21200222123029. The next prime is 21200222123033. The reversal of 21200222123032 is 23032122200212.

It is a junction number, because it is equal to n+sod(n) for n = 21200222122994 and 21200222123012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200222123033) 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, 205345057 + ... + 205448272.

Almost surely, 2^{21200222123032} is an apocalyptic number.

It is an amenable number.

21200222123032 is a deficient number, since it is larger than the sum of its proper divisors (18556356354368).

21200222123032 is a wasteful number, since it uses less digits than its factorization.

21200222123032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410799786 (or 410799782 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21200222123032 its reverse (23032122200212), we get a palindrome (44232344323244).

The spelling of 21200222123032 in words is "twenty-one trillion, two hundred billion, two hundred twenty-two million, one hundred twenty-three thousand, thirty-two".