11122120221137 has 2 divisors, whose sum is σ = 11122120221138. Its totient is φ = 11122120221136.

The previous prime is 11122120221073. The next prime is 11122120221161. The reversal of 11122120221137 is 73112202122111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11120417503441 + 1702717696 = 3334729^2 + 41264^2 .

It is an emirp because it is prime and its reverse (73112202122111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11122120221137 - 2⁶ = 11122120221073 is a prime.

It is not a weakly prime, because it can be changed into another prime (11122120221437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561060110568 + 5561060110569.

It is an arithmetic number, because the mean of its divisors is an integer number (5561060110569).

Almost surely, 2^{11122120221137} is an apocalyptic number.

It is an amenable number.

11122120221137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122120221137 is an equidigital number, since it uses as much as digits as its factorization.

11122120221137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 11122120221137 its reverse (73112202122111), we get a palindrome (84234322343248).

The spelling of 11122120221137 in words is "eleven trillion, one hundred twenty-two billion, one hundred twenty million, two hundred twenty-one thousand, one hundred thirty-seven".