20220121112211 has 12 divisors (see below), whose sum is σ = 29828263768992. Its totient is φ = 13193270512656.

The previous prime is 20220121112203. The next prime is 20220121112227. The reversal of 20220121112211 is 11221112102202.

20220121112211 is a `hidden beast` number, since 2 + 0 + 220 + 121 + 112 + 211 = 666.

It is not a de Polignac number, because 20220121112211 - 2³ = 20220121112203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20220121112251) 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, 23900851956 + ... + 23900852801.

It is an arithmetic number, because the mean of its divisors is an integer number (2485688647416).

Almost surely, 2^{20220121112211} is an apocalyptic number.

20220121112211 is a deficient number, since it is larger than the sum of its proper divisors (9608142656781).

20220121112211 is a wasteful number, since it uses less digits than its factorization.

20220121112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47801704810 (or 47801704807 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 20220121112211 its reverse (11221112102202), we get a palindrome (31441233214413).

The spelling of 20220121112211 in words is "twenty trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twelve thousand, two hundred eleven".