111212053 has 2 divisors, whose sum is σ = 111212054. Its totient is φ = 111212052.

The previous prime is 111212051. The next prime is 111212063. The reversal of 111212053 is 350212111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103693489 + 7518564 = 10183^2 + 2742^2 .

It is an emirp because it is prime and its reverse (350212111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111212053 - 2¹ = 111212051 is a prime.

Together with 111212051, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111212051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55606026 + 55606027.

It is an arithmetic number, because the mean of its divisors is an integer number (55606027).

Almost surely, 2^111212053 is an apocalyptic number.

It is an amenable number.

111212053 is a deficient number, since it is larger than the sum of its proper divisors (1).

111212053 is an equidigital number, since it uses as much as digits as its factorization.

111212053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 111212053 is about 10545.7125411231. The cubic root of 111212053 is about 480.8953961009.

Adding to 111212053 its reverse (350212111), we get a palindrome (461424164).

The spelling of 111212053 in words is "one hundred eleven million, two hundred twelve thousand, fifty-three".