11021122101210 has 128 divisors (see below), whose sum is σ = 28529086408704. Its totient is φ = 2708730097920.

The previous prime is 11021122101169. The next prime is 11021122101217. The reversal of 11021122101210 is 1210122112011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11021122101210.

It is not an unprimeable number, because it can be changed into a prime (11021122101217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1050926587 + ... + 1050937073.

It is an arithmetic number, because the mean of its divisors is an integer number (222883487568).

Almost surely, 2^{11021122101210} is an apocalyptic number.

11021122101210 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 11021122101210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14264543204352).

11021122101210 is an abundant number, since it is smaller than the sum of its proper divisors (17507964307494).

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

11021122101210 is a wasteful number, since it uses less digits than its factorization.

11021122101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14388.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11021122101210 its reverse (1210122112011), we get a palindrome (12231244213221).

The spelling of 11021122101210 in words is "eleven trillion, twenty-one billion, one hundred twenty-two million, one hundred one thousand, two hundred ten".