2211101022222 has 12 divisors (see below), whose sum is σ = 4790718881520. Its totient is φ = 737033674068.

The previous prime is 2211101022217. The next prime is 2211101022233. The reversal of 2211101022222 is 2222201011122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 122838945679 = 2211101022222 / (2 + 2 + 1 + 1 + 1 + 0 + 1 + 0 + 2 + 2 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 2211101022195 and 2211101022204.

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 5 ways as a sum of consecutive naturals, for example, 61419472822 + ... + 61419472857.

It is an arithmetic number, because the mean of its divisors is an integer number (399226573460).

Almost surely, 2^{2211101022222} is an apocalyptic number.

2211101022222 is an abundant number, since it is smaller than the sum of its proper divisors (2579617859298).

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

2211101022222 is a wasteful number, since it uses less digits than its factorization.

2211101022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122838945687 (or 122838945684 counting only the distinct ones).

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

Adding to 2211101022222 its reverse (2222201011122), we get a palindrome (4433302033344).

The spelling of 2211101022222 in words is "two trillion, two hundred eleven billion, one hundred one million, twenty-two thousand, two hundred twenty-two".