111011222102141 has 2 divisors, whose sum is σ = 111011222102142. Its totient is φ = 111011222102140.

The previous prime is 111011222102129. The next prime is 111011222102233. The reversal of 111011222102141 is 141201222110111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109412729682916 + 1598492419225 = 10460054^2 + 1264315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111011222102141 is a prime.

It is a super-2 number, since 2×111011222102141² (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 (111011222002141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505611051070 + 55505611051071.

It is an arithmetic number, because the mean of its divisors is an integer number (55505611051071).

Almost surely, 2^{111011222102141} is an apocalyptic number.

It is an amenable number.

111011222102141 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011222102141 is an equidigital number, since it uses as much as digits as its factorization.

111011222102141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 111011222102141 its reverse (141201222110111), we get a palindrome (252212444212252).

The spelling of 111011222102141 in words is "one hundred eleven trillion, eleven billion, two hundred twenty-two million, one hundred two thousand, one hundred forty-one".