20013222113311 has 8 divisors (see below), whose sum is σ = 23404166724224. Its totient is φ = 16755255722520.

The previous prime is 20013222113279. The next prime is 20013222113323. The reversal of 20013222113311 is 11331122231002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20013222113311 - 2⁵ = 20013222113279 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 (20013222113371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33244554705 + ... + 33244555306.

It is an arithmetic number, because the mean of its divisors is an integer number (2925520840528).

Almost surely, 2^{20013222113311} is an apocalyptic number.

20013222113311 is a deficient number, since it is larger than the sum of its proper divisors (3390944610913).

20013222113311 is an equidigital number, since it uses as much as digits as its factorization.

20013222113311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66489110061.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20013222113311 its reverse (11331122231002), we get a palindrome (31344344344313).

The spelling of 20013222113311 in words is "twenty trillion, thirteen billion, two hundred twenty-two million, one hundred thirteen thousand, three hundred eleven".