20201342221122 has 16 divisors (see below), whose sum is σ = 40412541208800. Its totient is φ = 6732137945952.

The previous prime is 20201342221097. The next prime is 20201342221189. The reversal of 20201342221122 is 22112224310202.

It is a junction number, because it is equal to n+sod(n) for n = 20201342221092 and 20201342221101.

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, 410671963 + ... + 410721150.

It is an arithmetic number, because the mean of its divisors is an integer number (2525783825550).

Almost surely, 2^{20201342221122} is an apocalyptic number.

20201342221122 is an abundant number, since it is smaller than the sum of its proper divisors (20211198987678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20201342221122 is a wasteful number, since it uses less digits than its factorization.

20201342221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821397217.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20201342221122 its reverse (22112224310202), we get a palindrome (42313566531324).

The spelling of 20201342221122 in words is "twenty trillion, two hundred one billion, three hundred forty-two million, two hundred twenty-one thousand, one hundred twenty-two".