11012211220169 has 2 divisors, whose sum is σ = 11012211220170. Its totient is φ = 11012211220168.

The previous prime is 11012211220103. The next prime is 11012211220181. The reversal of 11012211220169 is 96102211221011.

It is a happy number.

11012211220169 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., 10893729319225 + 118481900944 = 3300565^2 + 344212^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012211220169 - 2³⁶ = 10943491743433 is a prime.

It is a super-2 number, since 2×11012211220169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11012211220469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506105610084 + 5506105610085.

It is an arithmetic number, because the mean of its divisors is an integer number (5506105610085).

Almost surely, 2^{11012211220169} is an apocalyptic number.

It is an amenable number.

11012211220169 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012211220169 is an equidigital number, since it uses as much as digits as its factorization.

11012211220169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 29.

The spelling of 11012211220169 in words is "eleven trillion, twelve billion, two hundred eleven million, two hundred twenty thousand, one hundred sixty-nine".