13201031122111 has 4 divisors (see below), whose sum is σ = 15086892710992. Its totient is φ = 11315169533232.

The previous prime is 13201031122093. The next prime is 13201031122121. The reversal of 13201031122111 is 11122113010231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13201031122111 - 2¹¹ = 13201031120063 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 (13201031122121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942930794430 + ... + 942930794443.

It is an arithmetic number, because the mean of its divisors is an integer number (3771723177748).

Almost surely, 2^{13201031122111} is an apocalyptic number.

13201031122111 is a deficient number, since it is larger than the sum of its proper divisors (1885861588881).

13201031122111 is an equidigital number, since it uses as much as digits as its factorization.

13201031122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885861588880.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 13201031122111 its reverse (11122113010231), we get a palindrome (24323144132342).

The spelling of 13201031122111 in words is "thirteen trillion, two hundred one billion, thirty-one million, one hundred twenty-two thousand, one hundred eleven".