20112232201311 has 16 divisors (see below), whose sum is σ = 26909288017920. Its totient is φ = 13361725391040.

The previous prime is 20112232201289. The next prime is 20112232201331. The reversal of 20112232201311 is 11310223221102.

It is not a de Polignac number, because 20112232201311 - 2⁵ = 20112232201279 is a prime.

It is a super-2 number, since 2×20112232201311² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112232201331) 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, 6128526 + ... + 8819483.

It is an arithmetic number, because the mean of its divisors is an integer number (1681830501120).

Almost surely, 2^{20112232201311} is an apocalyptic number.

20112232201311 is a deficient number, since it is larger than the sum of its proper divisors (6797055816609).

20112232201311 is a wasteful number, since it uses less digits than its factorization.

20112232201311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14949566.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20112232201311 its reverse (11310223221102), we get a palindrome (31422455422413).

The spelling of 20112232201311 in words is "twenty trillion, one hundred twelve billion, two hundred thirty-two million, two hundred one thousand, three hundred eleven".