111212002201 has 2 divisors, whose sum is σ = 111212002202. Its totient is φ = 111212002200.

The previous prime is 111212002159. The next prime is 111212002217. The reversal of 111212002201 is 102200212111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106390782976 + 4821219225 = 326176^2 + 69435^2 .

It is a cyclic number.

It is not a de Polignac number, because 111212002201 - 2²³ = 111203613593 is a prime.

It is not a weakly prime, because it can be changed into another prime (111212002271) 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, 55606001100 + 55606001101.

It is an arithmetic number, because the mean of its divisors is an integer number (55606001101).

Almost surely, 2^111212002201 is an apocalyptic number.

It is an amenable number.

111212002201 is a deficient number, since it is larger than the sum of its proper divisors (1).

111212002201 is an equidigital number, since it uses as much as digits as its factorization.

111212002201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111212002201 its reverse (102200212111), we get a palindrome (213412214312).

The spelling of 111212002201 in words is "one hundred eleven billion, two hundred twelve million, two thousand, two hundred one".