111102122141 has 2 divisors, whose sum is σ = 111102122142. Its totient is φ = 111102122140.

The previous prime is 111102122057. The next prime is 111102122239. The reversal of 111102122141 is 141221201111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93378525241 + 17723596900 = 305579^2 + 133130^2 .

It is a cyclic number.

It is not a de Polignac number, because 111102122141 - 2¹⁸ = 111101859997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111102122941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55551061070 + 55551061071.

It is an arithmetic number, because the mean of its divisors is an integer number (55551061071).

Almost surely, 2^111102122141 is an apocalyptic number.

It is an amenable number.

111102122141 is a deficient number, since it is larger than the sum of its proper divisors (1).

111102122141 is an equidigital number, since it uses as much as digits as its factorization.

111102122141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111102122141 its reverse (141221201111), we get a palindrome (252323323252).

The spelling of 111102122141 in words is "one hundred eleven billion, one hundred two million, one hundred twenty-two thousand, one hundred forty-one".