11211222010069 has 2 divisors, whose sum is σ = 11211222010070. Its totient is φ = 11211222010068.

The previous prime is 11211222010057. The next prime is 11211222010133. The reversal of 11211222010069 is 96001022211211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6551106797169 + 4660115212900 = 2559513^2 + 2158730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11211222010069 is a prime.

It is a super-2 number, since 2×11211222010069² (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 (11211222010039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605611005034 + 5605611005035.

It is an arithmetic number, because the mean of its divisors is an integer number (5605611005035).

Almost surely, 2^{11211222010069} is an apocalyptic number.

It is an amenable number.

11211222010069 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211222010069 is an equidigital number, since it uses as much as digits as its factorization.

11211222010069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 11211222010069 in words is "eleven trillion, two hundred eleven billion, two hundred twenty-two million, ten thousand, sixty-nine".