111102121133 has 2 divisors, whose sum is σ = 111102121134. Its totient is φ = 111102121132.

The previous prime is 111102121103. The next prime is 111102121171. The reversal of 111102121133 is 331121201111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85297875364 + 25804245769 = 292058^2 + 160637^2 .

It is a cyclic number.

It is not a de Polignac number, because 111102121133 - 2¹⁴ = 111102104749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111102121103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55551060566 + 55551060567.

It is an arithmetic number, because the mean of its divisors is an integer number (55551060567).

Almost surely, 2^111102121133 is an apocalyptic number.

It is an amenable number.

111102121133 is a deficient number, since it is larger than the sum of its proper divisors (1).

111102121133 is an equidigital number, since it uses as much as digits as its factorization.

111102121133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111102121133 its reverse (331121201111), we get a palindrome (442223322244).

The spelling of 111102121133 in words is "one hundred eleven billion, one hundred two million, one hundred twenty-one thousand, one hundred thirty-three".