210011031101 has 2 divisors, whose sum is σ = 210011031102. Its totient is φ = 210011031100.

The previous prime is 210011031091. The next prime is 210011031127. The reversal of 210011031101 is 101130110012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209856526201 + 154504900 = 458101^2 + 12430^2 .

It is a cyclic number.

It is not a de Polignac number, because 210011031101 - 2¹⁰ = 210011030077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210011031161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005515550 + 105005515551.

It is an arithmetic number, because the mean of its divisors is an integer number (105005515551).

Almost surely, 2^210011031101 is an apocalyptic number.

It is an amenable number.

210011031101 is a deficient number, since it is larger than the sum of its proper divisors (1).

210011031101 is an equidigital number, since it uses as much as digits as its factorization.

210011031101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 210011031101 its reverse (101130110012), we get a palindrome (311141141113).

The spelling of 210011031101 in words is "two hundred ten billion, eleven million, thirty-one thousand, one hundred one".