111502221053 has 2 divisors, whose sum is σ = 111502221054. Its totient is φ = 111502221052.

The previous prime is 111502221049. The next prime is 111502221067. The reversal of 111502221053 is 350122205111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81546226969 + 29955994084 = 285563^2 + 173078^2 .

It is a cyclic number.

It is not a de Polignac number, because 111502221053 - 2² = 111502221049 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111502221013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55751110526 + 55751110527.

It is an arithmetic number, because the mean of its divisors is an integer number (55751110527).

Almost surely, 2^111502221053 is an apocalyptic number.

It is an amenable number.

111502221053 is a deficient number, since it is larger than the sum of its proper divisors (1).

111502221053 is an equidigital number, since it uses as much as digits as its factorization.

111502221053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 111502221053 its reverse (350122205111), we get a palindrome (461624426164).

The spelling of 111502221053 in words is "one hundred eleven billion, five hundred two million, two hundred twenty-one thousand, fifty-three".