875221107011 has 4 divisors (see below), whose sum is σ = 876582260232. Its totient is φ = 873859953792.

The previous prime is 875221106951. The next prime is 875221107037. The reversal of 875221107011 is 110701122578.

875221107011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 875221107011 - 2²² = 875216912707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (875221107071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680575646 + ... + 680576931.

It is an arithmetic number, because the mean of its divisors is an integer number (219145565058).

Almost surely, 2^875221107011 is an apocalyptic number.

875221107011 is a deficient number, since it is larger than the sum of its proper divisors (1361153221).

875221107011 is a wasteful number, since it uses less digits than its factorization.

875221107011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361153220.

The product of its (nonzero) digits is 7840, while the sum is 35.

Adding to 875221107011 its reverse (110701122578), we get a palindrome (985922229589).

The spelling of 875221107011 in words is "eight hundred seventy-five billion, two hundred twenty-one million, one hundred seven thousand, eleven".