101220010111211 has 2 divisors, whose sum is σ = 101220010111212. Its totient is φ = 101220010111210.

The previous prime is 101220010111189. The next prime is 101220010111217. The reversal of 101220010111211 is 112111010022101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101220010111211 - 2³⁰ = 101218936369387 is a prime.

It is not a weakly prime, because it can be changed into another prime (101220010111217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610005055605 + 50610005055606.

It is an arithmetic number, because the mean of its divisors is an integer number (50610005055606).

Almost surely, 2^{101220010111211} is an apocalyptic number.

101220010111211 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220010111211 is an equidigital number, since it uses as much as digits as its factorization.

101220010111211 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 14.

Adding to 101220010111211 its reverse (112111010022101), we get a palindrome (213331020133312).

The spelling of 101220010111211 in words is "one hundred one trillion, two hundred twenty billion, ten million, one hundred eleven thousand, two hundred eleven".