101220001021211 has 2 divisors, whose sum is σ = 101220001021212. Its totient is φ = 101220001021210.

The previous prime is 101220001021201. The next prime is 101220001021253. The reversal of 101220001021211 is 112120100022101.

It is a weak prime.

It is an emirp because it is prime and its reverse (112120100022101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101220001021211 - 2⁴² = 96821954510107 is a prime.

It is not a weakly prime, because it can be changed into another prime (101220001021201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610000510605 + 50610000510606.

It is an arithmetic number, because the mean of its divisors is an integer number (50610000510606).

Almost surely, 2^{101220001021211} is an apocalyptic number.

101220001021211 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220001021211 is an equidigital number, since it uses as much as digits as its factorization.

101220001021211 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 14.

Adding to 101220001021211 its reverse (112120100022101), we get a palindrome (213340101043312).

The spelling of 101220001021211 in words is "one hundred one trillion, two hundred twenty billion, one million, twenty-one thousand, two hundred eleven".