77012101010122 has 8 divisors (see below), whose sum is σ = 115532446571172. Its totient is φ = 38501285486400.

The previous prime is 77012101010099. The next prime is 77012101010153. The reversal of 77012101010122 is 22101010121077.

It can be written as a sum of positive squares in 2 ways, for example, as 72709882486081 + 4302218524041 = 8527009^2 + 2074179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2382489129 + ... + 2382521452.

Almost surely, 2^{77012101010122} is an apocalyptic number.

77012101010122 is a deficient number, since it is larger than the sum of its proper divisors (38520345561050).

77012101010122 is a wasteful number, since it uses less digits than its factorization.

77012101010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4765018664.

The product of its (nonzero) digits is 392, while the sum is 25.

Adding to 77012101010122 its reverse (22101010121077), we get a palindrome (99113111131199).

The spelling of 77012101010122 in words is "seventy-seven trillion, twelve billion, one hundred one million, ten thousand, one hundred twenty-two".