77002011110201 has 2 divisors, whose sum is σ = 77002011110202. Its totient is φ = 77002011110200.

The previous prime is 77002011110197. The next prime is 77002011110203. The reversal of 77002011110201 is 10201111020077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70024277538601 + 6977733571600 = 8368051^2 + 2641540^2 .

It is an emirp because it is prime and its reverse (10201111020077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77002011110201 - 2² = 77002011110197 is a prime.

Together with 77002011110203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (77002011110203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38501005555100 + 38501005555101.

It is an arithmetic number, because the mean of its divisors is an integer number (38501005555101).

Almost surely, 2^{77002011110201} is an apocalyptic number.

It is an amenable number.

77002011110201 is a deficient number, since it is larger than the sum of its proper divisors (1).

77002011110201 is an equidigital number, since it uses as much as digits as its factorization.

77002011110201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 23.

Adding to 77002011110201 its reverse (10201111020077), we get a palindrome (87203122130278).

The spelling of 77002011110201 in words is "seventy-seven trillion, two billion, eleven million, one hundred ten thousand, two hundred one".