1112201002021 has 2 divisors, whose sum is σ = 1112201002022. Its totient is φ = 1112201002020.

The previous prime is 1112201002013. The next prime is 1112201002037. The reversal of 1112201002021 is 1202001022111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1087669611396 + 24531390625 = 1042914^2 + 156625^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112201002021 - 2³ = 1112201002013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112201001992 and 1112201002010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112201009021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556100501010 + 556100501011.

It is an arithmetic number, because the mean of its divisors is an integer number (556100501011).

Almost surely, 2^{1112201002021} is an apocalyptic number.

It is an amenable number.

1112201002021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112201002021 is an equidigital number, since it uses as much as digits as its factorization.

1112201002021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1112201002021 its reverse (1202001022111), we get a palindrome (2314202024132).

The spelling of 1112201002021 in words is "one trillion, one hundred twelve billion, two hundred one million, two thousand, twenty-one".