11120021100121 has 2 divisors, whose sum is σ = 11120021100122. Its totient is φ = 11120021100120.

The previous prime is 11120021100059. The next prime is 11120021100157. The reversal of 11120021100121 is 12100112002111.

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., 9809041899721 + 1310979200400 = 3131939^2 + 1144980^2 .

It is a cyclic number.

It is not a de Polignac number, because 11120021100121 - 2⁹ = 11120021099609 is a prime.

It is not a weakly prime, because it can be changed into another prime (11120021101121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560010550060 + 5560010550061.

It is an arithmetic number, because the mean of its divisors is an integer number (5560010550061).

Almost surely, 2^{11120021100121} is an apocalyptic number.

It is an amenable number.

11120021100121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120021100121 is an equidigital number, since it uses as much as digits as its factorization.

11120021100121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11120021100121 its reverse (12100112002111), we get a palindrome (23220133102232).

The spelling of 11120021100121 in words is "eleven trillion, one hundred twenty billion, twenty-one million, one hundred thousand, one hundred twenty-one".