11021114476681 has 16 divisors (see below), whose sum is σ = 11260869555600. Its totient is φ = 10783955939328.

The previous prime is 11021114476651. The next prime is 11021114476717. The reversal of 11021114476681 is 18667441112011.

It can be written as a sum of positive squares in 8 ways, for example, as 583175068281 + 10437939408400 = 763659^2 + 3230780^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021114476681 - 2⁷ = 11021114476553 is a prime.

It is a super-2 number, since 2×11021114476681² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021114476651) 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, 105866251 + ... + 105970303.

It is an arithmetic number, because the mean of its divisors is an integer number (703804347225).

Almost surely, 2^{11021114476681} is an apocalyptic number.

It is an amenable number.

11021114476681 is a deficient number, since it is larger than the sum of its proper divisors (239755078919).

11021114476681 is a wasteful number, since it uses less digits than its factorization.

11021114476681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116508.

The product of its (nonzero) digits is 64512, while the sum is 43.

Adding to 11021114476681 its reverse (18667441112011), we get a palindrome (29688555588692).

The spelling of 11021114476681 in words is "eleven trillion, twenty-one billion, one hundred fourteen million, four hundred seventy-six thousand, six hundred eighty-one".