111012120253 has 2 divisors, whose sum is σ = 111012120254. Its totient is φ = 111012120252.

The previous prime is 111012120227. The next prime is 111012120283. The reversal of 111012120253 is 352021210111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57620161764 + 53391958489 = 240042^2 + 231067^2 .

It is a cyclic number.

It is not a de Polignac number, because 111012120253 - 2⁵ = 111012120221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111012120253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111012120283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506060126 + 55506060127.

It is an arithmetic number, because the mean of its divisors is an integer number (55506060127).

Almost surely, 2^111012120253 is an apocalyptic number.

It is an amenable number.

111012120253 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012120253 is an equidigital number, since it uses as much as digits as its factorization.

111012120253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 111012120253 its reverse (352021210111), we get a palindrome (463033330364).

The spelling of 111012120253 in words is "one hundred eleven billion, twelve million, one hundred twenty thousand, two hundred fifty-three".