2221134440512 has 28 divisors (see below), whose sum is σ = 4746607015276. Its totient is φ = 1025138972160.

The previous prime is 2221134440471. The next prime is 2221134440527. The reversal of 2221134440512 is 2150444311222.

It can be written as a sum of positive squares in 2 ways, for example, as 999632033856 + 1221502406656 = 999816^2 + 1105216^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334815539 + ... + 1334817202.

It is an arithmetic number, because the mean of its divisors is an integer number (169521679117).

Almost surely, 2^{2221134440512} is an apocalyptic number.

It is an amenable number.

2221134440512 is an abundant number, since it is smaller than the sum of its proper divisors (2525472574764).

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

2221134440512 is a wasteful number, since it uses less digits than its factorization.

2221134440512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669632766 (or 2669632756 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 2221134440512 its reverse (2150444311222), we get a palindrome (4371578751734).

The spelling of 2221134440512 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-four million, four hundred forty thousand, five hundred twelve".