2211021100222 has 64 divisors (see below), whose sum is σ = 3775146186240. Its totient is φ = 962477712000.

The previous prime is 2211021100199. The next prime is 2211021100231. The reversal of 2211021100222 is 2220011201122.

It is a happy number.

It is a super-2 number, since 2×2211021100222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2211021100196 and 2211021100205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9728904 + ... + 9953572.

It is an arithmetic number, because the mean of its divisors is an integer number (58986659160).

Almost surely, 2^{2211021100222} is an apocalyptic number.

2211021100222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2211021100222 is a deficient number, since it is larger than the sum of its proper divisors (1564125086018).

2211021100222 is a wasteful number, since it uses less digits than its factorization.

2211021100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224929.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2211021100222 its reverse (2220011201122), we get a palindrome (4431032301344).

The spelling of 2211021100222 in words is "two trillion, two hundred eleven billion, twenty-one million, one hundred thousand, two hundred twenty-two".