79010221101101 has 4 divisors (see below), whose sum is σ = 79114593917052. Its totient is φ = 78905848285152.

The previous prime is 79010221101083. The next prime is 79010221101151. The reversal of 79010221101101 is 10110112201097.

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 64788799624201 + 14221421476900 = 8049149^2 + 3771130^2 .

It is a cyclic number.

It is not a de Polignac number, because 79010221101101 - 2¹⁰ = 79010221100077 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 (79010221101151) 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, 52186406840 + ... + 52186408353.

It is an arithmetic number, because the mean of its divisors is an integer number (19778648479263).

Almost surely, 2^{79010221101101} is an apocalyptic number.

It is an amenable number.

79010221101101 is a deficient number, since it is larger than the sum of its proper divisors (104372815951).

79010221101101 is a wasteful number, since it uses less digits than its factorization.

79010221101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104372815950.

The product of its (nonzero) digits is 252, while the sum is 26.

Adding to 79010221101101 its reverse (10110112201097), we get a palindrome (89120333302198).

The spelling of 79010221101101 in words is "seventy-nine trillion, ten billion, two hundred twenty-one million, one hundred one thousand, one hundred one".