11021022210 has 128 divisors (see below), whose sum is σ = 29230066944. Its totient is φ = 2637250560.

The previous prime is 11021022193. The next prime is 11021022239. The reversal of 11021022210 is 1222012011.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12566292 + ... + 12567168.

It is an arithmetic number, because the mean of its divisors is an integer number (228359898).

Almost surely, 2^11021022210 is an apocalyptic number.

11021022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11021022210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14615033472).

11021022210 is an abundant number, since it is smaller than the sum of its proper divisors (18209044734).

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

11021022210 is a wasteful number, since it uses less digits than its factorization.

11021022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348.

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

Adding to 11021022210 its reverse (1222012011), we get a palindrome (12243034221).

The spelling of 11021022210 in words is "eleven billion, twenty-one million, twenty-two thousand, two hundred ten".