11022211002222 has 768 divisors, whose sum is σ = 31300079616000. Its totient is φ = 2788364113920.

The previous prime is 11022211002221. The next prime is 11022211002233. The reversal of 11022211002222 is 22220011222011.

It is a happy number.

11022211002222 is a `hidden beast` number, since 110 + 222 + 110 + 0 + 2 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 11022211002195 and 11022211002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022211002221) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 31224393598 + ... + 31224393950.

It is an arithmetic number, because the mean of its divisors is an integer number (40755312000).

Almost surely, 2^{11022211002222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11022211002222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15650039808000).

11022211002222 is an abundant number, since it is smaller than the sum of its proper divisors (20277868613778).

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

11022211002222 is a wasteful number, since it uses less digits than its factorization.

11022211002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 641 counting only the distinct ones).

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

Adding to 11022211002222 its reverse (22220011222011), we get a palindrome (33242222224233).

The spelling of 11022211002222 in words is "eleven trillion, twenty-two billion, two hundred eleven million, two thousand, two hundred twenty-two".