11210221122157 has 2 divisors, whose sum is σ = 11210221122158. Its totient is φ = 11210221122156.

The previous prime is 11210221122103. The next prime is 11210221122173. The reversal of 11210221122157 is 75122112201211.

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., 10489430310121 + 720790812036 = 3238739^2 + 848994^2 .

It is a cyclic number.

It is not a de Polignac number, because 11210221122157 - 2⁴³ = 2414128099949 is a prime.

It is a super-3 number, since 3×11210221122157³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11210221125157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605110561078 + 5605110561079.

It is an arithmetic number, because the mean of its divisors is an integer number (5605110561079).

Almost surely, 2^{11210221122157} is an apocalyptic number.

It is an amenable number.

11210221122157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210221122157 is an equidigital number, since it uses as much as digits as its factorization.

11210221122157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 28.

Adding to 11210221122157 its reverse (75122112201211), we get a palindrome (86332333323368).

The spelling of 11210221122157 in words is "eleven trillion, two hundred ten billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred fifty-seven".