79121010211201 has 8 divisors (see below), whose sum is σ = 90424285481664. Its totient is φ = 67817803393680.

The previous prime is 79121010211153. The next prime is 79121010211279. The reversal of 79121010211201 is 10211201012197.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79121010211201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79121010211201.

It is not an unprimeable number, because it can be changed into a prime (79121010271201) 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, 14612050 + ... + 19280923.

It is an arithmetic number, because the mean of its divisors is an integer number (11303035685208).

Almost surely, 2^{79121010211201} is an apocalyptic number.

It is an amenable number.

79121010211201 is a deficient number, since it is larger than the sum of its proper divisors (11303275270463).

79121010211201 is a wasteful number, since it uses less digits than its factorization.

79121010211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34226471.

The product of its (nonzero) digits is 504, while the sum is 28.

Adding to 79121010211201 its reverse (10211201012197), we get a palindrome (89332211223398).

The spelling of 79121010211201 in words is "seventy-nine trillion, one hundred twenty-one billion, ten million, two hundred eleven thousand, two hundred one".