21134304303222 has 32 divisors (see below), whose sum is σ = 46420680614400. Its totient is φ = 6361352522720.

The previous prime is 21134304303181. The next prime is 21134304303241. The reversal of 21134304303222 is 22230340343112.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 21134304303222.

It is a congruent number.

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, 1074542958 + ... + 1074562625.

It is an arithmetic number, because the mean of its divisors is an integer number (1450646269200).

Almost surely, 2^{21134304303222} is an apocalyptic number.

21134304303222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21134304303222 is an abundant number, since it is smaller than the sum of its proper divisors (25286376311178).

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

21134304303222 is a wasteful number, since it uses less digits than its factorization.

21134304303222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149105748.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 21134304303222 its reverse (22230340343112), we get a palindrome (43364644646334).

The spelling of 21134304303222 in words is "twenty-one trillion, one hundred thirty-four billion, three hundred four million, three hundred three thousand, two hundred twenty-two".