21220211213032 has 64 divisors (see below), whose sum is σ = 43846312023360. Its totient is φ = 9565886937600.

The previous prime is 21220211212969. The next prime is 21220211213051. The reversal of 21220211213032 is 23031211202212.

21220211213032 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 21220211212994 and 21220211213012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227537932 + ... + 227631172.

It is an arithmetic number, because the mean of its divisors is an integer number (685098625365).

Almost surely, 2^{21220211213032} is an apocalyptic number.

It is an amenable number.

21220211213032 is an abundant number, since it is smaller than the sum of its proper divisors (22626100810328).

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

21220211213032 is a wasteful number, since it uses less digits than its factorization.

21220211213032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144194 (or 144190 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21220211213032 its reverse (23031211202212), we get a palindrome (44251422415244).

The spelling of 21220211213032 in words is "twenty-one trillion, two hundred twenty billion, two hundred eleven million, two hundred thirteen thousand, thirty-two".