11011121200127 has 2 divisors, whose sum is σ = 11011121200128. Its totient is φ = 11011121200126.

The previous prime is 11011121200111. The next prime is 11011121200171. The reversal of 11011121200127 is 72100212111011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11011121200127 - 2⁴ = 11011121200111 is a prime.

It is a super-2 number, since 2×11011121200127² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11011121200099 and 11011121200108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011121200427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505560600063 + 5505560600064.

It is an arithmetic number, because the mean of its divisors is an integer number (5505560600064).

Almost surely, 2^{11011121200127} is an apocalyptic number.

11011121200127 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011121200127 is an equidigital number, since it uses as much as digits as its factorization.

11011121200127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 11011121200127 its reverse (72100212111011), we get a palindrome (83111333311138).

The spelling of 11011121200127 in words is "eleven trillion, eleven billion, one hundred twenty-one million, two hundred thousand, one hundred twenty-seven".