1210111013103 has 16 divisors (see below), whose sum is σ = 1615502520576. Its totient is φ = 805730727680.

The previous prime is 1210111013071. The next prime is 1210111013113. The reversal of 1210111013103 is 3013101110121.

It is a cyclic number.

It is not a de Polignac number, because 1210111013103 - 2⁵ = 1210111013071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210111013113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7675558 + ... + 7831628.

It is an arithmetic number, because the mean of its divisors is an integer number (100968907536).

Almost surely, 2^{1210111013103} is an apocalyptic number.

1210111013103 is a deficient number, since it is larger than the sum of its proper divisors (405391507473).

1210111013103 is a wasteful number, since it uses less digits than its factorization.

1210111013103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159294.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1210111013103 its reverse (3013101110121), we get a palindrome (4223212123224).

The spelling of 1210111013103 in words is "one trillion, two hundred ten billion, one hundred eleven million, thirteen thousand, one hundred three".