11000211222222 has 48 divisors (see below), whose sum is σ = 25917826785552. Its totient is φ = 3357775123200.

The previous prime is 11000211222193. The next prime is 11000211222251. The reversal of 11000211222222 is 22222211200011.

It is a happy number.

11000211222222 is a `hidden beast` number, since 1 + 10 + 0 + 0 + 211 + 222 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (11000211222193) and next prime (11000211222251).

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 = 11000211222195 and 11000211222204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 485777904 + ... + 485800547.

It is an arithmetic number, because the mean of its divisors is an integer number (539954724699).

Almost surely, 2^{11000211222222} is an apocalyptic number.

11000211222222 is an abundant number, since it is smaller than the sum of its proper divisors (14917615563330).

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

11000211222222 is a wasteful number, since it uses less digits than its factorization.

11000211222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971578513 (or 971578510 counting only the distinct ones).

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

Adding to 11000211222222 its reverse (22222211200011), we get a palindrome (33222422422233).

The spelling of 11000211222222 in words is "eleven trillion, two hundred eleven million, two hundred twenty-two thousand, two hundred twenty-two".