121111202110141 has 2 divisors, whose sum is σ = 121111202110142. Its totient is φ = 121111202110140.

The previous prime is 121111202110127. The next prime is 121111202110253. The reversal of 121111202110141 is 141011202111121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83401716062116 + 37709486048025 = 9132454^2 + 6140805^2 .

It is a cyclic number.

It is not a de Polignac number, because 121111202110141 - 2¹³ = 121111202101949 is a prime.

It is a super-2 number, since 2×121111202110141² (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 (121111202110441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555601055070 + 60555601055071.

It is an arithmetic number, because the mean of its divisors is an integer number (60555601055071).

Almost surely, 2^{121111202110141} is an apocalyptic number.

It is an amenable number.

121111202110141 is a deficient number, since it is larger than the sum of its proper divisors (1).

121111202110141 is an equidigital number, since it uses as much as digits as its factorization.

121111202110141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 121111202110141 its reverse (141011202111121), we get a palindrome (262122404221262).

The spelling of 121111202110141 in words is "one hundred twenty-one trillion, one hundred eleven billion, two hundred two million, one hundred ten thousand, one hundred forty-one".