2011120201157 has 2 divisors, whose sum is σ = 2011120201158. Its totient is φ = 2011120201156.

The previous prime is 2011120201091. The next prime is 2011120201159. The reversal of 2011120201157 is 7511020211102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1614561587716 + 396558613441 = 1270654^2 + 629729^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011120201157 - 2³⁶ = 1942400724421 is a prime.

Together with 2011120201159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011120201159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005560100578 + 1005560100579.

It is an arithmetic number, because the mean of its divisors is an integer number (1005560100579).

Almost surely, 2^{2011120201157} is an apocalyptic number.

It is an amenable number.

2011120201157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011120201157 is an equidigital number, since it uses as much as digits as its factorization.

2011120201157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 23.

Adding to 2011120201157 its reverse (7511020211102), we get a palindrome (9522140412259).

The spelling of 2011120201157 in words is "two trillion, eleven billion, one hundred twenty million, two hundred one thousand, one hundred fifty-seven".