77033221120211 has 12 divisors (see below), whose sum is σ = 79796823134472. Its totient is φ = 74362372200000.

The previous prime is 77033221120189. The next prime is 77033221120279. The reversal of 77033221120211 is 11202112233077.

It is not a de Polignac number, because 77033221120211 - 2⁶ = 77033221120147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77033221020211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99564065 + ... + 100334786.

It is an arithmetic number, because the mean of its divisors is an integer number (6649735261206).

Almost surely, 2^{77033221120211} is an apocalyptic number.

77033221120211 is a deficient number, since it is larger than the sum of its proper divisors (2763602014261).

77033221120211 is a wasteful number, since it uses less digits than its factorization.

77033221120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199899314 (or 199899283 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

Adding to 77033221120211 its reverse (11202112233077), we get a palindrome (88235333353288).

The spelling of 77033221120211 in words is "seventy-seven trillion, thirty-three billion, two hundred twenty-one million, one hundred twenty thousand, two hundred eleven".