101010220101211 has 2 divisors, whose sum is σ = 101010220101212. Its totient is φ = 101010220101210.

The previous prime is 101010220101157. The next prime is 101010220101277. The reversal of 101010220101211 is 112101022010101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101010220101211 - 2⁴¹ = 98811196845659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101010220101191 and 101010220101200.

It is not a weakly prime, because it can be changed into another prime (101010220101281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505110050605 + 50505110050606.

It is an arithmetic number, because the mean of its divisors is an integer number (50505110050606).

Almost surely, 2^{101010220101211} is an apocalyptic number.

101010220101211 is a deficient number, since it is larger than the sum of its proper divisors (1).

101010220101211 is an equidigital number, since it uses as much as digits as its factorization.

101010220101211 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 101010220101211 its reverse (112101022010101), we get a palindrome (213111242111312).

The spelling of 101010220101211 in words is "one hundred one trillion, ten billion, two hundred twenty million, one hundred one thousand, two hundred eleven".