2120223122177 has 2 divisors, whose sum is σ = 2120223122178. Its totient is φ = 2120223122176.

The previous prime is 2120223122159. The next prime is 2120223122191. The reversal of 2120223122177 is 7712213220212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2119560368641 + 662753536 = 1455871^2 + 25744^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120223122177 - 2⁸ = 2120223121921 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120223322177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060111561088 + 1060111561089.

It is an arithmetic number, because the mean of its divisors is an integer number (1060111561089).

Almost surely, 2^{2120223122177} is an apocalyptic number.

It is an amenable number.

2120223122177 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120223122177 is an equidigital number, since it uses as much as digits as its factorization.

2120223122177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

Adding to 2120223122177 its reverse (7712213220212), we get a palindrome (9832436342389).

The spelling of 2120223122177 in words is "two trillion, one hundred twenty billion, two hundred twenty-three million, one hundred twenty-two thousand, one hundred seventy-seven".