1002103111973 has 2 divisors, whose sum is σ = 1002103111974. Its totient is φ = 1002103111972.

The previous prime is 1002103111963. The next prime is 1002103112027. The reversal of 1002103111973 is 3791113012001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 976891070884 + 25212041089 = 988378^2 + 158783^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002103111973 - 2¹⁶ = 1002103046437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002103111963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501051555986 + 501051555987.

It is an arithmetic number, because the mean of its divisors is an integer number (501051555987).

Almost surely, 2^{1002103111973} is an apocalyptic number.

It is an amenable number.

1002103111973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002103111973 is an equidigital number, since it uses as much as digits as its factorization.

1002103111973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 29.

Adding to 1002103111973 its reverse (3791113012001), we get a palindrome (4793216123974).

The spelling of 1002103111973 in words is "one trillion, two billion, one hundred three million, one hundred eleven thousand, nine hundred seventy-three".