1111001010103 has 2 divisors, whose sum is σ = 1111001010104. Its totient is φ = 1111001010102.

The previous prime is 1111001010083. The next prime is 1111001010109. The reversal of 1111001010103 is 3010101001111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111001010103 - 2²¹ = 1110998912951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111001010103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111001010109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555500505051 + 555500505052.

It is an arithmetic number, because the mean of its divisors is an integer number (555500505052).

Almost surely, 2^{1111001010103} is an apocalyptic number.

1111001010103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111001010103 is an equidigital number, since it uses as much as digits as its factorization.

1111001010103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3, while the sum is 10.

Adding to 1111001010103 its reverse (3010101001111), we get a palindrome (4121102011214).

The spelling of 1111001010103 in words is "one trillion, one hundred eleven billion, one million, ten thousand, one hundred three".