1130002021 has 2 divisors, whose sum is σ = 1130002022. Its totient is φ = 1130002020.

The previous prime is 1130002001. The next prime is 1130002033. The reversal of 1130002021 is 1202000311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1042579521 + 87422500 = 32289^2 + 9350^2 .

It is an emirp because it is prime and its reverse (1202000311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1130002021 - 2⁵ = 1130001989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1130001989 and 1130002007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130002001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565001010 + 565001011.

It is an arithmetic number, because the mean of its divisors is an integer number (565001011).

Almost surely, 2^1130002021 is an apocalyptic number.

It is an amenable number.

1130002021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130002021 is an equidigital number, since it uses as much as digits as its factorization.

1130002021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1130002021 is about 33615.5026884918. The cubic root of 1130002021 is about 1041.5810582602.

Adding to 1130002021 its reverse (1202000311), we get a palindrome (2332002332).

The spelling of 1130002021 in words is "one billion, one hundred thirty million, two thousand, twenty-one".