11210220101 has 2 divisors, whose sum is σ = 11210220102. Its totient is φ = 11210220100.

The previous prime is 11210220097. The next prime is 11210220113. The reversal of 11210220101 is 10102201211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11204222500 + 5997601 = 105850^2 + 2449^2 .

It is a cyclic number.

It is not a de Polignac number, because 11210220101 - 2² = 11210220097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11210228101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605110050 + 5605110051.

It is an arithmetic number, because the mean of its divisors is an integer number (5605110051).

Almost surely, 2^11210220101 is an apocalyptic number.

It is an amenable number.

11210220101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210220101 is an equidigital number, since it uses as much as digits as its factorization.

11210220101 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 11.

Adding to 11210220101 its reverse (10102201211), we get a palindrome (21312421312).

The spelling of 11210220101 in words is "eleven billion, two hundred ten million, two hundred twenty thousand, one hundred one".