1000221334040 has 16 divisors (see below), whose sum is σ = 2250498001680. Its totient is φ = 400088533600.

The previous prime is 1000221334027. The next prime is 1000221334061. The reversal of 1000221334040 is 404331220001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12502766636 + ... + 12502766715.

It is an arithmetic number, because the mean of its divisors is an integer number (140656125105).

Almost surely, 2^{1000221334040} is an apocalyptic number.

1000221334040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000221334040 is an abundant number, since it is smaller than the sum of its proper divisors (1250276667640).

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

1000221334040 is a wasteful number, since it uses less digits than its factorization.

1000221334040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25005533362 (or 25005533358 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1000221334040 its reverse (404331220001), we get a palindrome (1404552554041).

The spelling of 1000221334040 in words is "one trillion, two hundred twenty-one million, three hundred thirty-four thousand, forty".