11220137 has 2 divisors, whose sum is σ = 11220138. Its totient is φ = 11220136.

The previous prime is 11220107. The next prime is 11220149. The reversal of 11220137 is 73102211.

11220137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7123561 + 4096576 = 2669^2 + 2024^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220137 - 2⁶ = 11220073 is a prime.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (11220107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610068 + 5610069.

It is an arithmetic number, because the mean of its divisors is an integer number (5610069).

Almost surely, 2^11220137 is an apocalyptic number.

It is an amenable number.

11220137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220137 is an equidigital number, since it uses as much as digits as its factorization.

11220137 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 17.

The square root of 11220137 is about 3349.6472948655. The cubic root of 11220137 is about 223.8717976537.

Adding to 11220137 its reverse (73102211), we get a palindrome (84322348).

The spelling of 11220137 in words is "eleven million, two hundred twenty thousand, one hundred thirty-seven".