11200121069 has 2 divisors, whose sum is σ = 11200121070. Its totient is φ = 11200121068.

The previous prime is 11200121057. The next prime is 11200121077. The reversal of 11200121069 is 96012100211.

It is a happy number.

11200121069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6139506025 + 5060615044 = 78355^2 + 71138^2 .

It is a cyclic number.

It is not a de Polignac number, because 11200121069 - 2¹² = 11200116973 is a prime.

It is a super-2 number, since 2×11200121069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11200121029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600060534 + 5600060535.

It is an arithmetic number, because the mean of its divisors is an integer number (5600060535).

Almost surely, 2^11200121069 is an apocalyptic number.

It is an amenable number.

11200121069 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200121069 is an equidigital number, since it uses as much as digits as its factorization.

11200121069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 11200121069 in words is "eleven billion, two hundred million, one hundred twenty-one thousand, sixty-nine".