11221110111137 has 2 divisors, whose sum is σ = 11221110111138. Its totient is φ = 11221110111136.

The previous prime is 11221110111109. The next prime is 11221110111149. The reversal of 11221110111137 is 73111101112211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5984134170001 + 5236975941136 = 2446249^2 + 2288444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221110111137 is a prime.

It is a super-2 number, since 2×11221110111137² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11221110111037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610555055568 + 5610555055569.

It is an arithmetic number, because the mean of its divisors is an integer number (5610555055569).

Almost surely, 2^{11221110111137} is an apocalyptic number.

It is an amenable number.

11221110111137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221110111137 is an equidigital number, since it uses as much as digits as its factorization.

11221110111137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 23.

Adding to 11221110111137 its reverse (73111101112211), we get a palindrome (84332211223348).

The spelling of 11221110111137 in words is "eleven trillion, two hundred twenty-one billion, one hundred ten million, one hundred eleven thousand, one hundred thirty-seven".