111042533101 has 2 divisors, whose sum is σ = 111042533102. Its totient is φ = 111042533100.

The previous prime is 111042533057. The next prime is 111042533141. The reversal of 111042533101 is 101335240111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90700357225 + 20342175876 = 301165^2 + 142626^2 .

It is a cyclic number.

It is not a de Polignac number, because 111042533101 - 2¹⁵ = 111042500333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111042533141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55521266550 + 55521266551.

It is an arithmetic number, because the mean of its divisors is an integer number (55521266551).

Almost surely, 2^111042533101 is an apocalyptic number.

It is an amenable number.

111042533101 is a deficient number, since it is larger than the sum of its proper divisors (1).

111042533101 is an equidigital number, since it uses as much as digits as its factorization.

111042533101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 111042533101 its reverse (101335240111), we get a palindrome (212377773212).

The spelling of 111042533101 in words is "one hundred eleven billion, forty-two million, five hundred thirty-three thousand, one hundred one".