2211421320430 has 16 divisors (see below), whose sum is σ = 4549209573600. Its totient is φ = 758201595552.

The previous prime is 2211421320413. The next prime is 2211421320439. The reversal of 2211421320430 is 340231241122.

It is a junction number, because it is equal to n+sod(n) for n = 2211421320395 and 2211421320404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211421320439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15795866505 + ... + 15795866644.

It is an arithmetic number, because the mean of its divisors is an integer number (284325598350).

Almost surely, 2^{2211421320430} is an apocalyptic number.

2211421320430 is an abundant number, since it is smaller than the sum of its proper divisors (2337788253170).

2211421320430 is a wasteful number, since it uses less digits than its factorization.

2211421320430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31591733163.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2211421320430 its reverse (340231241122), we get a palindrome (2551652561552).

The spelling of 2211421320430 in words is "two trillion, two hundred eleven billion, four hundred twenty-one million, three hundred twenty thousand, four hundred thirty".