111132321132101 has 2 divisors, whose sum is σ = 111132321132102. Its totient is φ = 111132321132100.

The previous prime is 111132321132089. The next prime is 111132321132139. The reversal of 111132321132101 is 101231123231111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63692929216225 + 47439391915876 = 7980785^2 + 6887626^2 .

It is a cyclic number.

It is not a de Polignac number, because 111132321132101 - 2²² = 111132316937797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111132321132601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55566160566050 + 55566160566051.

It is an arithmetic number, because the mean of its divisors is an integer number (55566160566051).

Almost surely, 2^{111132321132101} is an apocalyptic number.

It is an amenable number.

111132321132101 is a deficient number, since it is larger than the sum of its proper divisors (1).

111132321132101 is an equidigital number, since it uses as much as digits as its factorization.

111132321132101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 111132321132101 its reverse (101231123231111), we get a palindrome (212363444363212).

The spelling of 111132321132101 in words is "one hundred eleven trillion, one hundred thirty-two billion, three hundred twenty-one million, one hundred thirty-two thousand, one hundred one".