200122121021211 has 16 divisors (see below), whose sum is σ = 297749650741920. Its totient is φ = 132842151861120.

The previous prime is 200122121021209. The next prime is 200122121021243. The reversal of 200122121021211 is 112120121221002.

200122121021211 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 221 + 210 + 21 + 211 = 666.

It is not a de Polignac number, because 200122121021211 - 2¹ = 200122121021209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200122121021411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15905423770 + ... + 15905436351.

It is an arithmetic number, because the mean of its divisors is an integer number (18609353171370).

Almost surely, 2^{200122121021211} is an apocalyptic number.

200122121021211 is a deficient number, since it is larger than the sum of its proper divisors (97627529720709).

200122121021211 is a wasteful number, since it uses less digits than its factorization.

200122121021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31810860363 (or 31810860357 counting only the distinct ones).

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

Adding to 200122121021211 its reverse (112120121221002), we get a palindrome (312242242242213).

The spelling of 200122121021211 in words is "two hundred trillion, one hundred twenty-two billion, one hundred twenty-one million, twenty-one thousand, two hundred eleven".