111421301534009 has 2 divisors, whose sum is σ = 111421301534010. Its totient is φ = 111421301534008.

The previous prime is 111421301534003. The next prime is 111421301534051. The reversal of 111421301534009 is 900435103124111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88052005261609 + 23369296272400 = 9383603^2 + 4834180^2 .

It is a cyclic number.

It is not a de Polignac number, because 111421301534009 - 2⁴⁰ = 110321789906233 is a prime.

It is a super-2 number, since 2×111421301534009² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111421301534009.

It is not a weakly prime, because it can be changed into another prime (111421301534003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55710650767004 + 55710650767005.

It is an arithmetic number, because the mean of its divisors is an integer number (55710650767005).

Almost surely, 2^{111421301534009} is an apocalyptic number.

It is an amenable number.

111421301534009 is a deficient number, since it is larger than the sum of its proper divisors (1).

111421301534009 is an equidigital number, since it uses as much as digits as its factorization.

111421301534009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 111421301534009 in words is "one hundred eleven trillion, four hundred twenty-one billion, three hundred one million, five hundred thirty-four thousand, nine".