11210121220127 has 2 divisors, whose sum is σ = 11210121220128. Its totient is φ = 11210121220126.

The previous prime is 11210121220087. The next prime is 11210121220157. The reversal of 11210121220127 is 72102212101211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11210121220127 - 2¹⁸ = 11210120957983 is a prime.

It is a super-2 number, since 2×11210121220127² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11210121220157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605060610063 + 5605060610064.

It is an arithmetic number, because the mean of its divisors is an integer number (5605060610064).

Almost surely, 2^{11210121220127} is an apocalyptic number.

11210121220127 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210121220127 is an equidigital number, since it uses as much as digits as its factorization.

11210121220127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 11210121220127 its reverse (72102212101211), we get a palindrome (83312333321338).

The spelling of 11210121220127 in words is "eleven trillion, two hundred ten billion, one hundred twenty-one million, two hundred twenty thousand, one hundred twenty-seven".