2021002097 has 2 divisors, whose sum is σ = 2021002098. Its totient is φ = 2021002096.

The previous prime is 2021002091. The next prime is 2021002169. The reversal of 2021002097 is 7902001202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1950458896 + 70543201 = 44164^2 + 8399^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021002097 - 2⁸ = 2021001841 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021002091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010501048 + 1010501049.

It is an arithmetic number, because the mean of its divisors is an integer number (1010501049).

Almost surely, 2^2021002097 is an apocalyptic number.

It is an amenable number.

2021002097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021002097 is an equidigital number, since it uses as much as digits as its factorization.

2021002097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2021002097 is about 44955.5569090185. The cubic root of 2021002097 is about 1264.3158662297.

Adding to 2021002097 its reverse (7902001202), we get a palindrome (9923003299).

The spelling of 2021002097 in words is "two billion, twenty-one million, two thousand, ninety-seven".