11021020311101 has 16 divisors (see below), whose sum is σ = 11091829921200. Its totient is φ = 10950451596288.

The previous prime is 11021020311071. The next prime is 11021020311173. The reversal of 11021020311101 is 10111302012011.

It can be written as a sum of positive squares in 8 ways, for example, as 636965206201 + 10384055104900 = 798101^2 + 3222430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021020311101 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 (11021020311601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325769255 + ... + 325803083.

It is an arithmetic number, because the mean of its divisors is an integer number (693239370075).

Almost surely, 2^{11021020311101} is an apocalyptic number.

It is an amenable number.

11021020311101 is a deficient number, since it is larger than the sum of its proper divisors (70809610099).

11021020311101 is a wasteful number, since it uses less digits than its factorization.

11021020311101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37328.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11021020311101 its reverse (10111302012011), we get a palindrome (21132322323112).

The spelling of 11021020311101 in words is "eleven trillion, twenty-one billion, twenty million, three hundred eleven thousand, one hundred one".