13103121131122 has 24 divisors (see below), whose sum is σ = 21604352485968. Its totient is φ = 5955841149720.

The previous prime is 13103121131117. The next prime is 13103121131123. The reversal of 13103121131122 is 22113112130131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 13103121131093 and 13103121131102.

It is not an unprimeable number, because it can be changed into a prime (13103121131123) 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, 11741233 + ... + 12808699.

It is an arithmetic number, because the mean of its divisors is an integer number (900181353582).

Almost surely, 2^{13103121131122} is an apocalyptic number.

13103121131122 is a deficient number, since it is larger than the sum of its proper divisors (8501231354846).

13103121131122 is a wasteful number, since it uses less digits than its factorization.

13103121131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118214 (or 1118203 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 13103121131122 its reverse (22113112130131), we get a palindrome (35216233261253).

Subtracting 13103121131122 from its reverse (22113112130131), we obtain a palindrome (9009990999009).

The spelling of 13103121131122 in words is "thirteen trillion, one hundred three billion, one hundred twenty-one million, one hundred thirty-one thousand, one hundred twenty-two".