111204432601 has 2 divisors, whose sum is σ = 111204432602. Its totient is φ = 111204432600.

The previous prime is 111204432589. The next prime is 111204432611. The reversal of 111204432601 is 106234402111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110107166976 + 1097265625 = 331824^2 + 33125^2 .

It is a cyclic number.

It is not a de Polignac number, because 111204432601 - 2²¹ = 111202335449 is a prime.

It is a super-2 number, since 2×111204432601² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111204432611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55602216300 + 55602216301.

It is an arithmetic number, because the mean of its divisors is an integer number (55602216301).

Almost surely, 2^111204432601 is an apocalyptic number.

It is an amenable number.

111204432601 is a deficient number, since it is larger than the sum of its proper divisors (1).

111204432601 is an equidigital number, since it uses as much as digits as its factorization.

111204432601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 111204432601 its reverse (106234402111), we get a palindrome (217438834712).

The spelling of 111204432601 in words is "one hundred eleven billion, two hundred four million, four hundred thirty-two thousand, six hundred one".