20121100200211 has 2 divisors, whose sum is σ = 20121100200212. Its totient is φ = 20121100200210.

The previous prime is 20121100200169. The next prime is 20121100200283. The reversal of 20121100200211 is 11200200112102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20121100200211 - 2¹⁷ = 20121100069139 is a prime.

It is a super-2 number, since 2×20121100200211² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20121100200191 and 20121100200200.

It is not a weakly prime, because it can be changed into another prime (20121100200511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060550100105 + 10060550100106.

It is an arithmetic number, because the mean of its divisors is an integer number (10060550100106).

Almost surely, 2^{20121100200211} is an apocalyptic number.

20121100200211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20121100200211 is an equidigital number, since it uses as much as digits as its factorization.

20121100200211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20121100200211 its reverse (11200200112102), we get a palindrome (31321300312313).

The spelling of 20121100200211 in words is "twenty trillion, one hundred twenty-one billion, one hundred million, two hundred thousand, two hundred eleven".