111213013321133 has 2 divisors, whose sum is σ = 111213013321134. Its totient is φ = 111213013321132.

The previous prime is 111213013321121. The next prime is 111213013321159. The reversal of 111213013321133 is 331123310312111.

It is an a-pointer prime, because the next prime (111213013321159) can be obtained adding 111213013321133 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92332919436004 + 18880093885129 = 9609002^2 + 4345123^2 .

It is a cyclic number.

It is not a de Polignac number, because 111213013321133 - 2¹⁴ = 111213013304749 is a prime.

It is a super-2 number, since 2×111213013321133² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111213013321183) 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, 55606506660566 + 55606506660567.

It is an arithmetic number, because the mean of its divisors is an integer number (55606506660567).

Almost surely, 2^{111213013321133} is an apocalyptic number.

It is an amenable number.

111213013321133 is a deficient number, since it is larger than the sum of its proper divisors (1).

111213013321133 is an equidigital number, since it uses as much as digits as its factorization.

111213013321133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 111213013321133 its reverse (331123310312111), we get a palindrome (442336323633244).

The spelling of 111213013321133 in words is "one hundred eleven trillion, two hundred thirteen billion, thirteen million, three hundred twenty-one thousand, one hundred thirty-three".