13112201012021 has 16 divisors (see below), whose sum is σ = 13660200892800. Its totient is φ = 12575084121600.

The previous prime is 13112201011991. The next prime is 13112201012063. The reversal of 13112201012021 is 12021010221131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13112201012021 - 2⁶ = 13112201011957 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 (13112221012021) 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, 72869600 + ... + 73049318.

It is an arithmetic number, because the mean of its divisors is an integer number (853762555800).

Almost surely, 2^{13112201012021} is an apocalyptic number.

It is an amenable number.

13112201012021 is a deficient number, since it is larger than the sum of its proper divisors (547999880779).

13112201012021 is a wasteful number, since it uses less digits than its factorization.

13112201012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209980.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 13112201012021 its reverse (12021010221131), we get a palindrome (25133211233152).

The spelling of 13112201012021 in words is "thirteen trillion, one hundred twelve billion, two hundred one million, twelve thousand, twenty-one".