111020132121247 has 2 divisors, whose sum is σ = 111020132121248. Its totient is φ = 111020132121246.

The previous prime is 111020132121209. The next prime is 111020132121251. The reversal of 111020132121247 is 742121231020111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111020132121247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111020132121257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510066060623 + 55510066060624.

It is an arithmetic number, because the mean of its divisors is an integer number (55510066060624).

Almost surely, 2^{111020132121247} is an apocalyptic number.

111020132121247 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020132121247 is an equidigital number, since it uses as much as digits as its factorization.

111020132121247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

Adding to 111020132121247 its reverse (742121231020111), we get a palindrome (853141363141358).

The spelling of 111020132121247 in words is "one hundred eleven trillion, twenty billion, one hundred thirty-two million, one hundred twenty-one thousand, two hundred forty-seven".