13020120221211 has 12 divisors (see below), whose sum is σ = 18942141330840. Its totient is φ = 8617633526880.

The previous prime is 13020120221123. The next prime is 13020120221219. The reversal of 13020120221211 is 11212202102031.

13020120221211 is a `hidden beast` number, since 1 + 30 + 201 + 2 + 0 + 221 + 211 = 666.

It is not a de Polignac number, because 13020120221211 - 2¹⁵ = 13020120188443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13020120221219) 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, 5203883730 + ... + 5203886231.

It is an arithmetic number, because the mean of its divisors is an integer number (1578511777570).

Almost surely, 2^{13020120221211} is an apocalyptic number.

13020120221211 is a deficient number, since it is larger than the sum of its proper divisors (5922021109629).

13020120221211 is a wasteful number, since it uses less digits than its factorization.

13020120221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10407770106 (or 10407770103 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 13020120221211 its reverse (11212202102031), we get a palindrome (24232322323242).

The spelling of 13020120221211 in words is "thirteen trillion, twenty billion, one hundred twenty million, two hundred twenty-one thousand, two hundred eleven".