1112536021 has 2 divisors, whose sum is σ = 1112536022. Its totient is φ = 1112536020.

The previous prime is 1112536003. The next prime is 1112536039. The reversal of 1112536021 is 1206352111.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1112536003) and next prime (1112536039).

It can be written as a sum of positive squares in only one way, i.e., 880308900 + 232227121 = 29670^2 + 15239^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112536021 - 2⁵ = 1112535989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112535983 and 1112536001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112536001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556268010 + 556268011.

It is an arithmetic number, because the mean of its divisors is an integer number (556268011).

Almost surely, 2^1112536021 is an apocalyptic number.

It is an amenable number.

1112536021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112536021 is an equidigital number, since it uses as much as digits as its factorization.

1112536021 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.

The square root of 1112536021 is about 33354.7001335644. The cubic root of 1112536021 is about 1036.1867321537.

Adding to 1112536021 its reverse (1206352111), we get a palindrome (2318888132).

The spelling of 1112536021 in words is "one billion, one hundred twelve million, five hundred thirty-six thousand, twenty-one".