11210222222220 has 384 divisors, whose sum is σ = 36719805136896. Its totient is φ = 2502594699264.

The previous prime is 11210222222167. The next prime is 11210222222263. The reversal of 11210222222220 is 2222222201211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5433940909 + ... + 5433942971.

It is an arithmetic number, because the mean of its divisors is an integer number (95624492544).

Almost surely, 2^{11210222222220} is an apocalyptic number.

11210222222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11210222222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18359902568448).

11210222222220 is an abundant number, since it is smaller than the sum of its proper divisors (25509582914676).

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

11210222222220 is a wasteful number, since it uses less digits than its factorization.

11210222222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3869 (or 3867 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11210222222220 its reverse (2222222201211), we get a palindrome (13432444423431).

The spelling of 11210222222220 in words is "eleven trillion, two hundred ten billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty".