20220220121211 has 12 divisors (see below), whose sum is σ = 31862165039640. Its totient is φ = 12254678861280.

The previous prime is 20220220121149. The next prime is 20220220121267. The reversal of 20220220121211 is 11212102202202.

It is a happy number.

20220220121211 is a `hidden beast` number, since 2 + 0 + 220 + 220 + 1 + 212 + 11 = 666.

It is not a de Polignac number, because 20220220121211 - 2¹⁰ = 20220220120187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20220220121411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102122323746 + ... + 102122323943.

It is an arithmetic number, because the mean of its divisors is an integer number (2655180419970).

Almost surely, 2^{20220220121211} is an apocalyptic number.

20220220121211 is a deficient number, since it is larger than the sum of its proper divisors (11641944918429).

20220220121211 is a wasteful number, since it uses less digits than its factorization.

20220220121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204244647706 (or 204244647703 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20220220121211 its reverse (11212102202202), we get a palindrome (31432322323413).

The spelling of 20220220121211 in words is "twenty trillion, two hundred twenty billion, two hundred twenty million, one hundred twenty-one thousand, two hundred eleven".