1107671007221 has 4 divisors (see below), whose sum is σ = 1107711406092. Its totient is φ = 1107630608352.

The previous prime is 1107671007211. The next prime is 1107671007227. The reversal of 1107671007221 is 1227001767011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 663100776100 + 444570231121 = 814310^2 + 666761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1107671007221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1107671007227) 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 3 ways as a sum of consecutive naturals, for example, 20158280 + ... + 20213153.

It is an arithmetic number, because the mean of its divisors is an integer number (276927851523).

Almost surely, 2^{1107671007221} is an apocalyptic number.

It is an amenable number.

1107671007221 is a deficient number, since it is larger than the sum of its proper divisors (40398871).

1107671007221 is an equidigital number, since it uses as much as digits as its factorization.

1107671007221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40398870.

The product of its (nonzero) digits is 8232, while the sum is 35.

The spelling of 1107671007221 in words is "one trillion, one hundred seven billion, six hundred seventy-one million, seven thousand, two hundred twenty-one".