11222221120037 has 2 divisors, whose sum is σ = 11222221120038. Its totient is φ = 11222221120036.

The previous prime is 11222221120003. The next prime is 11222221120051. The reversal of 11222221120037 is 73002112222211.

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., 8999814000961 + 2222407119076 = 2999969^2 + 1490774^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222221120037 - 2¹⁶ = 11222221054501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11222221119988 and 11222221120015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222221120837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611110560018 + 5611110560019.

It is an arithmetic number, because the mean of its divisors is an integer number (5611110560019).

Almost surely, 2^{11222221120037} is an apocalyptic number.

It is an amenable number.

11222221120037 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222221120037 is an equidigital number, since it uses as much as digits as its factorization.

11222221120037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 11222221120037 its reverse (73002112222211), we get a palindrome (84224333342248).

The spelling of 11222221120037 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, thirty-seven".