1012011001103 has 2 divisors, whose sum is σ = 1012011001104. Its totient is φ = 1012011001102.

The previous prime is 1012011001091. The next prime is 1012011001121. The reversal of 1012011001103 is 3011001102101.

It is a happy number.

1012011001103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012011001103 - 2⁶ = 1012011001039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012011003103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506005500551 + 506005500552.

It is an arithmetic number, because the mean of its divisors is an integer number (506005500552).

Almost surely, 2^{1012011001103} is an apocalyptic number.

1012011001103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012011001103 is an equidigital number, since it uses as much as digits as its factorization.

1012011001103 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 1012011001103 its reverse (3011001102101), we get a palindrome (4023012103204).

The spelling of 1012011001103 in words is "one trillion, twelve billion, eleven million, one thousand, one hundred three".