20213213331122 has 24 divisors (see below), whose sum is σ = 35277145340076. Its totient is φ = 8661049413408.

The previous prime is 20213213331097. The next prime is 20213213331131. The reversal of 20213213331122 is 22113331231202.

It can be written as a sum of positive squares in 2 ways, for example, as 18874932231841 + 1338281099281 = 4344529^2 + 1156841^2 .

It is a super-6 number, since 6×20213213331122⁶ (a number of 81 digits) contains 666666 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 20213213331091 and 20213213331100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20422433 + ... + 21389300.

Almost surely, 2^{20213213331122} is an apocalyptic number.

20213213331122 is a deficient number, since it is larger than the sum of its proper divisors (15063932008954).

20213213331122 is a wasteful number, since it uses less digits than its factorization.

20213213331122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41816682 (or 41816675 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 20213213331122 its reverse (22113331231202), we get a palindrome (42326544562324).

The spelling of 20213213331122 in words is "twenty trillion, two hundred thirteen billion, two hundred thirteen million, three hundred thirty-one thousand, one hundred twenty-two".