20131301122222 has 16 divisors (see below), whose sum is σ = 31246283547360. Its totient is φ = 9716052332448.

The previous prime is 20131301122189. The next prime is 20131301122259. The reversal of 20131301122222 is 22222110313102.

It is a junction number, because it is equal to n+sod(n) for n = 20131301122193 and 20131301122202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44538018 + ... + 44987749.

It is an arithmetic number, because the mean of its divisors is an integer number (1952892721710).

Almost surely, 2^{20131301122222} is an apocalyptic number.

20131301122222 is a deficient number, since it is larger than the sum of its proper divisors (11114982425138).

20131301122222 is a wasteful number, since it uses less digits than its factorization.

20131301122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89529675.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20131301122222 its reverse (22222110313102), we get a palindrome (42353411435324).

The spelling of 20131301122222 in words is "twenty trillion, one hundred thirty-one billion, three hundred one million, one hundred twenty-two thousand, two hundred twenty-two".