1211132032103 has 12 divisors (see below), whose sum is σ = 1410508048680. Its totient is φ = 1036904620752.

The previous prime is 1211132032057. The next prime is 1211132032133. The reversal of 1211132032103 is 3012302311121.

It is a happy number.

It is not a de Polignac number, because 1211132032103 - 2⁸ = 1211132031847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211132032133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14344976 + ... + 14429157.

It is an arithmetic number, because the mean of its divisors is an integer number (117542337390).

Almost surely, 2^{1211132032103} is an apocalyptic number.

1211132032103 is a deficient number, since it is larger than the sum of its proper divisors (199376016577).

1211132032103 is an equidigital number, since it uses as much as digits as its factorization.

1211132032103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28775006 (or 28774999 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1211132032103 its reverse (3012302311121), we get a palindrome (4223434343224).

The spelling of 1211132032103 in words is "one trillion, two hundred eleven billion, one hundred thirty-two million, thirty-two thousand, one hundred three".