11001122210101 has 2 divisors, whose sum is σ = 11001122210102. Its totient is φ = 11001122210100.

The previous prime is 11001122210087. The next prime is 11001122210119. The reversal of 11001122210101 is 10101222110011.

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., 8940249500625 + 2060872709476 = 2990025^2 + 1435574^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001122210101 - 2²¹ = 11001120112949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11001122210131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500561105050 + 5500561105051.

It is an arithmetic number, because the mean of its divisors is an integer number (5500561105051).

Almost surely, 2^{11001122210101} is an apocalyptic number.

It is an amenable number.

11001122210101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001122210101 is an equidigital number, since it uses as much as digits as its factorization.

11001122210101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11001122210101 its reverse (10101222110011), we get a palindrome (21102344320112).

The spelling of 11001122210101 in words is "eleven trillion, one billion, one hundred twenty-two million, two hundred ten thousand, one hundred one".