111434451101 has 2 divisors, whose sum is σ = 111434451102. Its totient is φ = 111434451100.

The previous prime is 111434450977. The next prime is 111434451113. The reversal of 111434451101 is 101154434111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111221583001 + 212868100 = 333499^2 + 14590^2 .

It is a cyclic number.

It is not a de Polignac number, because 111434451101 - 2²⁶ = 111367342237 is a prime.

It is a super-2 number, since 2×111434451101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111434453101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55717225550 + 55717225551.

It is an arithmetic number, because the mean of its divisors is an integer number (55717225551).

Almost surely, 2^111434451101 is an apocalyptic number.

It is an amenable number.

111434451101 is a deficient number, since it is larger than the sum of its proper divisors (1).

111434451101 is an equidigital number, since it uses as much as digits as its factorization.

111434451101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 111434451101 its reverse (101154434111), we get a palindrome (212588885212).

The spelling of 111434451101 in words is "one hundred eleven billion, four hundred thirty-four million, four hundred fifty-one thousand, one hundred one".