1021200311003 has 2 divisors, whose sum is σ = 1021200311004. Its totient is φ = 1021200311002.

The previous prime is 1021200310997. The next prime is 1021200311039. The reversal of 1021200311003 is 3001130021201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021200311003 - 2⁶ = 1021200310939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021200301003) 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, 510600155501 + 510600155502.

It is an arithmetic number, because the mean of its divisors is an integer number (510600155502).

Almost surely, 2^{1021200311003} is an apocalyptic number.

1021200311003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021200311003 is an equidigital number, since it uses as much as digits as its factorization.

1021200311003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1021200311003 its reverse (3001130021201), we get a palindrome (4022330332204).

The spelling of 1021200311003 in words is "one trillion, twenty-one billion, two hundred million, three hundred eleven thousand, three".