1001110021103 has 2 divisors, whose sum is σ = 1001110021104. Its totient is φ = 1001110021102.

The previous prime is 1001110021007. The next prime is 1001110021117. The reversal of 1001110021103 is 3011200111001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001110021103 - 2¹⁶ = 1001109955567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001110021123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500555010551 + 500555010552.

It is an arithmetic number, because the mean of its divisors is an integer number (500555010552).

Almost surely, 2^{1001110021103} is an apocalyptic number.

1001110021103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001110021103 is an equidigital number, since it uses as much as digits as its factorization.

1001110021103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 1001110021103 its reverse (3011200111001), we get a palindrome (4012310132104).

The spelling of 1001110021103 in words is "one trillion, one billion, one hundred ten million, twenty-one thousand, one hundred three".