1201102111169 has 2 divisors, whose sum is σ = 1201102111170. Its totient is φ = 1201102111168.

The previous prime is 1201102111087. The next prime is 1201102111201. The reversal of 1201102111169 is 9611112011021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 980371278769 + 220730832400 = 990137^2 + 469820^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201102111169 - 2³⁶ = 1132382634433 is a prime.

It is a super-2 number, since 2×1201102111169² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1201102101169) 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, 600551055584 + 600551055585.

It is an arithmetic number, because the mean of its divisors is an integer number (600551055585).

Almost surely, 2^{1201102111169} is an apocalyptic number.

It is an amenable number.

1201102111169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201102111169 is an equidigital number, since it uses as much as digits as its factorization.

1201102111169 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 26.

The spelling of 1201102111169 in words is "one trillion, two hundred one billion, one hundred two million, one hundred eleven thousand, one hundred sixty-nine".