77110110002111 has 4 divisors (see below), whose sum is σ = 77110130459952. Its totient is φ = 77110089544272.

The previous prime is 77110110002087. The next prime is 77110110002179. The reversal of 77110110002111 is 11120001101177.

It is a happy number.

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 77110110002111 - 2³⁴ = 77092930132927 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 (77110110002311) 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, 2754566 + ... + 12720371.

It is an arithmetic number, because the mean of its divisors is an integer number (19277532614988).

Almost surely, 2^{77110110002111} is an apocalyptic number.

77110110002111 is a deficient number, since it is larger than the sum of its proper divisors (20457841).

77110110002111 is a wasteful number, since it uses less digits than its factorization.

77110110002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20457840.

The product of its (nonzero) digits is 98, while the sum is 23.

Adding to 77110110002111 its reverse (11120001101177), we get a palindrome (88230111103288).

The spelling of 77110110002111 in words is "seventy-seven trillion, one hundred ten billion, one hundred ten million, two thousand, one hundred eleven".