11012120103121 has 2 divisors, whose sum is σ = 11012120103122. Its totient is φ = 11012120103120.

The previous prime is 11012120103067. The next prime is 11012120103197. The reversal of 11012120103121 is 12130102121011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6114467835025 + 4897652268096 = 2472745^2 + 2213064^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012120103121 - 2⁷ = 11012120102993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11012120103095 and 11012120103104.

It is not a weakly prime, because it can be changed into another prime (11012120103221) 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, 5506060051560 + 5506060051561.

It is an arithmetic number, because the mean of its divisors is an integer number (5506060051561).

Almost surely, 2^{11012120103121} is an apocalyptic number.

It is an amenable number.

11012120103121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012120103121 is an equidigital number, since it uses as much as digits as its factorization.

11012120103121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11012120103121 its reverse (12130102121011), we get a palindrome (23142222224132).

The spelling of 11012120103121 in words is "eleven trillion, twelve billion, one hundred twenty million, one hundred three thousand, one hundred twenty-one".