111002122212169 has 2 divisors, whose sum is σ = 111002122212170. Its totient is φ = 111002122212168.

The previous prime is 111002122212167. The next prime is 111002122212269. The reversal of 111002122212169 is 961212221200111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57174588486544 + 53827533725625 = 7561388^2 + 7336725^2 .

It is a cyclic number.

It is not a de Polignac number, because 111002122212169 - 2¹ = 111002122212167 is a prime.

It is a super-2 number, since 2×111002122212169² (a number of 29 digits) contains 22 as substring.

Together with 111002122212167, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111002122212169.

It is not a weakly prime, because it can be changed into another prime (111002122212167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55501061106084 + 55501061106085.

It is an arithmetic number, because the mean of its divisors is an integer number (55501061106085).

Almost surely, 2^{111002122212169} is an apocalyptic number.

It is an amenable number.

111002122212169 is a deficient number, since it is larger than the sum of its proper divisors (1).

111002122212169 is an equidigital number, since it uses as much as digits as its factorization.

111002122212169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 31.

The spelling of 111002122212169 in words is "one hundred eleven trillion, two billion, one hundred twenty-two million, two hundred twelve thousand, one hundred sixty-nine".