13112121331101 has 16 divisors (see below), whose sum is σ = 19646255373696. Its totient is φ = 7718171752896.

The previous prime is 13112121331097. The next prime is 13112121331103. The reversal of 13112121331101 is 10113312121131.

It is not a de Polignac number, because 13112121331101 - 2² = 13112121331097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112121331103) 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, 7308873870 + ... + 7308875663.

It is an arithmetic number, because the mean of its divisors is an integer number (1227890960856).

Almost surely, 2^{13112121331101} is an apocalyptic number.

It is an amenable number.

13112121331101 is a deficient number, since it is larger than the sum of its proper divisors (6534134042595).

13112121331101 is a wasteful number, since it uses less digits than its factorization.

13112121331101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14617749572.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 13112121331101 its reverse (10113312121131), we get a palindrome (23225433452232).

The spelling of 13112121331101 in words is "thirteen trillion, one hundred twelve billion, one hundred twenty-one million, three hundred thirty-one thousand, one hundred one".