212221001120 has 48 divisors (see below), whose sum is σ = 501399914400. Its totient is φ = 84883693824.

The previous prime is 212221001119. The next prime is 212221001171. The reversal of 212221001120 is 21100122212.

212221001120 is digitally balanced in base 3, 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 = 212221001095 and 212221001104.

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, 5050919 + ... + 5092761.

It is an arithmetic number, because the mean of its divisors is an integer number (10445831550).

Almost surely, 2^212221001120 is an apocalyptic number.

212221001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212221001120 is an abundant number, since it is smaller than the sum of its proper divisors (289178913280).

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

212221001120 is a wasteful number, since it uses less digits than its factorization.

212221001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73557 (or 73549 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212221001120 its reverse (21100122212), we get a palindrome (233321123332).

The spelling of 212221001120 in words is "two hundred twelve billion, two hundred twenty-one million, one thousand, one hundred twenty".