11202021210 has 32 divisors (see below), whose sum is σ = 27611471232. Its totient is φ = 2906470080.

The previous prime is 11202021169. The next prime is 11202021211. The reversal of 11202021210 is 1212020211.

It is not an unprimeable number, because it can be changed into a prime (11202021211) 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, 5044846 + ... + 5047065.

It is an arithmetic number, because the mean of its divisors is an integer number (862858476).

Almost surely, 2^11202021210 is an apocalyptic number.

11202021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11202021210 is an abundant number, since it is smaller than the sum of its proper divisors (16409450022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11202021210 is a wasteful number, since it uses less digits than its factorization.

11202021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10091958.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11202021210 its reverse (1212020211), we get a palindrome (12414041421).

Subtracting from 11202021210 its reverse (1212020211), we obtain a palindrome (9990000999).

The spelling of 11202021210 in words is "eleven billion, two hundred two million, twenty-one thousand, two hundred ten".