77011120121201 has 8 divisors (see below), whose sum is σ = 91839348219264. Its totient is φ = 63139551900480.

The previous prime is 77011120121197. The next prime is 77011120121251. The reversal of 77011120121201 is 10212102111077.

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

It is a cyclic number.

It is not a de Polignac number, because 77011120121201 - 2² = 77011120121197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77011120121251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239164969160 + ... + 239164969481.

It is an arithmetic number, because the mean of its divisors is an integer number (11479918527408).

Almost surely, 2^{77011120121201} is an apocalyptic number.

It is an amenable number.

77011120121201 is a deficient number, since it is larger than the sum of its proper divisors (14828228098063).

77011120121201 is a wasteful number, since it uses less digits than its factorization.

77011120121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478329938671.

The product of its (nonzero) digits is 392, while the sum is 26.

Adding to 77011120121201 its reverse (10212102111077), we get a palindrome (87223222232278).

The spelling of 77011120121201 in words is "seventy-seven trillion, eleven billion, one hundred twenty million, one hundred twenty-one thousand, two hundred one".