11011020101 has 8 divisors (see below), whose sum is σ = 11167789464. Its totient is φ = 10855187200.

The previous prime is 11011020073. The next prime is 11011020127. The reversal of 11011020101 is 10102011011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4131147076 + 6879873025 = 64274^2 + 82945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011020101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011020301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210416 + ... + 257481.

It is an arithmetic number, because the mean of its divisors is an integer number (1395973683).

Almost surely, 2^11011020101 is an apocalyptic number.

It is an amenable number.

11011020101 is a deficient number, since it is larger than the sum of its proper divisors (156769363).

11011020101 is a wasteful number, since it uses less digits than its factorization.

11011020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468231.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11011020101 its reverse (10102011011), we get a palindrome (21113031112).

The spelling of 11011020101 in words is "eleven billion, eleven million, twenty thousand, one hundred one".