10001211012211 has 2 divisors, whose sum is σ = 10001211012212. Its totient is φ = 10001211012210.

The previous prime is 10001211012167. The next prime is 10001211012271. The reversal of 10001211012211 is 11221011210001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (11221011210001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10001211012211 - 2⁷ = 10001211012083 is a prime.

It is a super-2 number, since 2×10001211012211² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10001211012191 and 10001211012200.

It is not a weakly prime, because it can be changed into another prime (10001211012271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000605506105 + 5000605506106.

It is an arithmetic number, because the mean of its divisors is an integer number (5000605506106).

Almost surely, 2^{10001211012211} is an apocalyptic number.

10001211012211 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001211012211 is an equidigital number, since it uses as much as digits as its factorization.

10001211012211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10001211012211 its reverse (11221011210001), we get a palindrome (21222222222212).

The spelling of 10001211012211 in words is "ten trillion, one billion, two hundred eleven million, twelve thousand, two hundred eleven".