20212122201122 has 16 divisors (see below), whose sum is σ = 30630953629752. Its totient is φ = 10001805765120.

The previous prime is 20212122201109. The next prime is 20212122201133. The reversal of 20212122201122 is 22110222121202.

It can be written as a sum of positive squares in 4 ways, for example, as 18106224929881 + 2105897271241 = 4255141^2 + 1451171^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20212122201094 and 20212122201103.

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, 38629568 + ... + 39149300.

Almost surely, 2^{20212122201122} is an apocalyptic number.

20212122201122 is a deficient number, since it is larger than the sum of its proper divisors (10418831428630).

20212122201122 is a wasteful number, since it uses less digits than its factorization.

20212122201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720293.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20212122201122 its reverse (22110222121202), we get a palindrome (42322344322324).

The spelling of 20212122201122 in words is "twenty trillion, two hundred twelve billion, one hundred twenty-two million, two hundred one thousand, one hundred twenty-two".