11222002221210 has 288 divisors, whose sum is σ = 33229209620880. Its totient is φ = 2623523696640.

The previous prime is 11222002221187. The next prime is 11222002221307. The reversal of 11222002221210 is 1212220022211.

It is a happy number.

11222002221210 is a `hidden beast` number, since 1 + 12 + 220 + 0 + 2 + 221 + 210 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 7232167754361 + 3989834466849 = 2689269^2 + 1997457^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 45407856 + ... + 45654324.

Almost surely, 2^{11222002221210} is an apocalyptic number.

11222002221210 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 11222002221210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16614604810440).

11222002221210 is an abundant number, since it is smaller than the sum of its proper divisors (22007207399670).

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

11222002221210 is a wasteful number, since it uses less digits than its factorization.

11222002221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246654 (or 246640 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11222002221210 its reverse (1212220022211), we get a palindrome (12434222243421).

The spelling of 11222002221210 in words is "eleven trillion, two hundred twenty-two billion, two million, two hundred twenty-one thousand, two hundred ten".