111212114029 has 2 divisors, whose sum is σ = 111212114030. Its totient is φ = 111212114028.

The previous prime is 111212114017. The next prime is 111212114051. The reversal of 111212114029 is 920411212111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110970933129 + 241180900 = 333123^2 + 15530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111212114029 is a prime.

It is a super-2 number, since 2×111212114029² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111212113994 and 111212114012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111212114009) 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, 55606057014 + 55606057015.

It is an arithmetic number, because the mean of its divisors is an integer number (55606057015).

Almost surely, 2^111212114029 is an apocalyptic number.

It is an amenable number.

111212114029 is a deficient number, since it is larger than the sum of its proper divisors (1).

111212114029 is an equidigital number, since it uses as much as digits as its factorization.

111212114029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 111212114029 in words is "one hundred eleven billion, two hundred twelve million, one hundred fourteen thousand, twenty-nine".