20210220222122 has 16 divisors (see below), whose sum is σ = 34825605243072. Its totient is φ = 8616644593920.

The previous prime is 20210220222113. The next prime is 20210220222133. The reversal of 20210220222122 is 22122202201202.

It is a junction number, because it is equal to n+sod(n) for n = 20210220222094 and 20210220222103.

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, 3739860404 + ... + 3739865807.

It is an arithmetic number, because the mean of its divisors is an integer number (2176600327692).

Almost surely, 2^{20210220222122} is an apocalyptic number.

20210220222122 is a deficient number, since it is larger than the sum of its proper divisors (14615385020950).

20210220222122 is a wasteful number, since it uses less digits than its factorization.

20210220222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7479726413.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20210220222122 its reverse (22122202201202), we get a palindrome (42332422423324).

The spelling of 20210220222122 in words is "twenty trillion, two hundred ten billion, two hundred twenty million, two hundred twenty-two thousand, one hundred twenty-two".