11211022210220 has 48 divisors (see below), whose sum is σ = 26922309180480. Its totient is φ = 3841513918464.

The previous prime is 11211022210163. The next prime is 11211022210261. The reversal of 11211022210220 is 2201222011211.

It is a super-2 number, since 2×11211022210220² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23356625 + ... + 23831784.

It is an arithmetic number, because the mean of its divisors is an integer number (560881441260).

Almost surely, 2^{11211022210220} is an apocalyptic number.

11211022210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211022210220 is an abundant number, since it is smaller than the sum of its proper divisors (15711286970260).

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

11211022210220 is a wasteful number, since it uses less digits than its factorization.

11211022210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47190122 (or 47190120 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11211022210220 its reverse (2201222011211), we get a palindrome (13412244221431).

The spelling of 11211022210220 in words is "eleven trillion, two hundred eleven billion, twenty-two million, two hundred ten thousand, two hundred twenty".