200221012121211 has 12 divisors (see below), whose sum is σ = 291415824259560. Its totient is φ = 132461738298240.

The previous prime is 200221012121177. The next prime is 200221012121261. The reversal of 200221012121211 is 112121210122002.

200221012121211 is a `hidden beast` number, since 20 + 0 + 221 + 0 + 1 + 212 + 1 + 211 = 666.

It is not a de Polignac number, because 200221012121211 - 2³⁹ = 199671256307323 is a prime.

It is a super-2 number, since 2×200221012121211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200221012121261) 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, 84911369526 + ... + 84911371883.

It is an arithmetic number, because the mean of its divisors is an integer number (24284652021630).

Almost surely, 2^{200221012121211} is an apocalyptic number.

200221012121211 is a deficient number, since it is larger than the sum of its proper divisors (91194812138349).

200221012121211 is a wasteful number, since it uses less digits than its factorization.

200221012121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169822741546 (or 169822741543 counting only the distinct ones).

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

Adding to 200221012121211 its reverse (112121210122002), we get a palindrome (312342222243213).

The spelling of 200221012121211 in words is "two hundred trillion, two hundred twenty-one billion, twelve million, one hundred twenty-one thousand, two hundred eleven".