2212221130020 has 72 divisors (see below), whose sum is σ = 7320440836800. Its totient is φ = 536296031040.

The previous prime is 2212221130001. The next prime is 2212221130033. The reversal of 2212221130020 is 200311222122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2212221129975 and 2212221130002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 558639720 + ... + 558643679.

It is an arithmetic number, because the mean of its divisors is an integer number (101672789400).

Almost surely, 2^{2212221130020} is an apocalyptic number.

2212221130020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212221130020 is an abundant number, since it is smaller than the sum of its proper divisors (5108219706780).

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

2212221130020 is a wasteful number, since it uses less digits than its factorization.

2212221130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117283425 (or 1117283420 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2212221130020 its reverse (200311222122), we get a palindrome (2412532352142).

The spelling of 2212221130020 in words is "two trillion, two hundred twelve billion, two hundred twenty-one million, one hundred thirty thousand, twenty".