11021120210 has 16 divisors (see below), whose sum is σ = 20321871192. Its totient is φ = 4300924800.

The previous prime is 11021120207. The next prime is 11021120249. The reversal of 11021120210 is 1202112011.

It can be written as a sum of positive squares in 4 ways, for example, as 3740423281 + 7280696929 = 61159^2 + 85327^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11021120191 and 11021120200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13439981 + ... + 13440800.

Almost surely, 2^11021120210 is an apocalyptic number.

11021120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021120210 is a deficient number, since it is larger than the sum of its proper divisors (9300750982).

11021120210 is a wasteful number, since it uses less digits than its factorization.

11021120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26880829.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11021120210 its reverse (1202112011), we get a palindrome (12223232221).

The spelling of 11021120210 in words is "eleven billion, twenty-one million, one hundred twenty thousand, two hundred ten".