11021122211210 has 32 divisors (see below), whose sum is σ = 20655019650384. Its totient is φ = 4230418752000.

The previous prime is 11021122211159. The next prime is 11021122211219. The reversal of 11021122211210 is 1211222112011.

It can be written as a sum of positive squares in 8 ways, for example, as 1423561583161 + 9597560628049 = 1193131^2 + 3097993^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11021122211219) 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, 220309301 + ... + 220359320.

Almost surely, 2^{11021122211210} is an apocalyptic number.

11021122211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021122211210 is a deficient number, since it is larger than the sum of its proper divisors (9633897439174).

11021122211210 is a wasteful number, since it uses less digits than its factorization.

11021122211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440668730.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11021122211210 its reverse (1211222112011), we get a palindrome (12232344323221).

The spelling of 11021122211210 in words is "eleven trillion, twenty-one billion, one hundred twenty-two million, two hundred eleven thousand, two hundred ten".