200001212021011 has 2 divisors, whose sum is σ = 200001212021012. Its totient is φ = 200001212021010.

The previous prime is 200001212020997. The next prime is 200001212021131. The reversal of 200001212021011 is 110120212100002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200001212021011 - 2¹¹ = 200001212018963 is a prime.

It is a super-2 number, since 2×200001212021011² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200001212020982 and 200001212021000.

It is not a weakly prime, because it can be changed into another prime (200001312021011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000606010505 + 100000606010506.

It is an arithmetic number, because the mean of its divisors is an integer number (100000606010506).

Almost surely, 2^{200001212021011} is an apocalyptic number.

200001212021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

200001212021011 is an equidigital number, since it uses as much as digits as its factorization.

200001212021011 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 200001212021011 its reverse (110120212100002), we get a palindrome (310121424121013).

The spelling of 200001212021011 in words is "two hundred trillion, one billion, two hundred twelve million, twenty-one thousand, eleven".