11311122002103 has 48 divisors (see below), whose sum is σ = 21441908217600. Its totient is φ = 5566649235840.

The previous prime is 11311122002099. The next prime is 11311122002119. The reversal of 11311122002103 is 30120022111311.

It is not a de Polignac number, because 11311122002103 - 2² = 11311122002099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311122002153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 429512238 + ... + 429538571.

It is an arithmetic number, because the mean of its divisors is an integer number (446706421200).

Almost surely, 2^{11311122002103} is an apocalyptic number.

11311122002103 is a deficient number, since it is larger than the sum of its proper divisors (10130786215497).

11311122002103 is a wasteful number, since it uses less digits than its factorization.

11311122002103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859050852 (or 859050849 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11311122002103 its reverse (30120022111311), we get a palindrome (41431144113414).

The spelling of 11311122002103 in words is "eleven trillion, three hundred eleven billion, one hundred twenty-two million, two thousand, one hundred three".