1002020211253 has 2 divisors, whose sum is σ = 1002020211254. Its totient is φ = 1002020211252.

The previous prime is 1002020211211. The next prime is 1002020211259. The reversal of 1002020211253 is 3521120202001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 791542957969 + 210477253284 = 889687^2 + 458778^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002020211253 - 2²⁵ = 1001986656821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002020211253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002020211259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501010105626 + 501010105627.

It is an arithmetic number, because the mean of its divisors is an integer number (501010105627).

Almost surely, 2^{1002020211253} is an apocalyptic number.

It is an amenable number.

1002020211253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002020211253 is an equidigital number, since it uses as much as digits as its factorization.

1002020211253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 1002020211253 its reverse (3521120202001), we get a palindrome (4523140413254).

The spelling of 1002020211253 in words is "one trillion, two billion, twenty million, two hundred eleven thousand, two hundred fifty-three".