111201220001189 has 2 divisors, whose sum is σ = 111201220001190. Its totient is φ = 111201220001188.

The previous prime is 111201220001093. The next prime is 111201220001197. The reversal of 111201220001189 is 981100022102111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90950229989089 + 20250990012100 = 9536783^2 + 4500110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111201220001189 is a prime.

It is a super-2 number, since 2×111201220001189² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111201220021189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600610000594 + 55600610000595.

It is an arithmetic number, because the mean of its divisors is an integer number (55600610000595).

Almost surely, 2^{111201220001189} is an apocalyptic number.

It is an amenable number.

111201220001189 is a deficient number, since it is larger than the sum of its proper divisors (1).

111201220001189 is an equidigital number, since it uses as much as digits as its factorization.

111201220001189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 29.

The spelling of 111201220001189 in words is "one hundred eleven trillion, two hundred one billion, two hundred twenty million, one thousand, one hundred eighty-nine".