200121112001211 has 32 divisors (see below), whose sum is σ = 270862924948992. Its totient is φ = 131401837082880.

The previous prime is 200121112001203. The next prime is 200121112001297. The reversal of 200121112001211 is 112100211121002.

It is a happy number.

It is not a de Polignac number, because 200121112001211 - 2³ = 200121112001203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200121112001611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5073659056 + ... + 5073698498.

It is an arithmetic number, because the mean of its divisors is an integer number (8464466404656).

Almost surely, 2^{200121112001211} is an apocalyptic number.

200121112001211 is a deficient number, since it is larger than the sum of its proper divisors (70741812947781).

200121112001211 is a wasteful number, since it uses less digits than its factorization.

200121112001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71443.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 200121112001211 its reverse (112100211121002), we get a palindrome (312221323122213).

The spelling of 200121112001211 in words is "two hundred trillion, one hundred twenty-one billion, one hundred twelve million, one thousand, two hundred eleven".