543221122345 has 8 divisors (see below), whose sum is σ = 711125832960. Its totient is φ = 395069907120.

The previous prime is 543221122313. The next prime is 543221122397.

543221122345 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 543221122345 - 2⁵ = 543221122313 is a prime.

It is a super-2 number, since 2×543221122345² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 543221122345.

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, 4938373785 + ... + 4938373894.

It is an arithmetic number, because the mean of its divisors is an integer number (88890729120).

Almost surely, 2^543221122345 is an apocalyptic number.

543221122345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

543221122345 is a deficient number, since it is larger than the sum of its proper divisors (167904710615).

543221122345 is a wasteful number, since it uses less digits than its factorization.

543221122345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9876747695.

The product of its digits is 57600, while the sum is 34.

It can be divided in two parts, 543221 and 122345, that added together give a palindrome (665566).

The spelling of 543221122345 in words is "five hundred forty-three billion, two hundred twenty-one million, one hundred twenty-two thousand, three hundred forty-five".