111013300121 has 2 divisors, whose sum is σ = 111013300122. Its totient is φ = 111013300120.

The previous prime is 111013300117. The next prime is 111013300127. The reversal of 111013300121 is 121003310111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91681178521 + 19332121600 = 302789^2 + 139040^2 .

It is a cyclic number.

It is not a de Polignac number, because 111013300121 - 2² = 111013300117 is a prime.

It is a super-2 number, since 2×111013300121² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111013300096 and 111013300105.

It is not a weakly prime, because it can be changed into another prime (111013300127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506650060 + 55506650061.

It is an arithmetic number, because the mean of its divisors is an integer number (55506650061).

Almost surely, 2^111013300121 is an apocalyptic number.

It is an amenable number.

111013300121 is a deficient number, since it is larger than the sum of its proper divisors (1).

111013300121 is an equidigital number, since it uses as much as digits as its factorization.

111013300121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111013300121 its reverse (121003310111), we get a palindrome (232016610232).

The spelling of 111013300121 in words is "one hundred eleven billion, thirteen million, three hundred thousand, one hundred twenty-one".