2211020222222 has 12 divisors (see below), whose sum is σ = 3858004673640. Its totient is φ = 947580095196.

The previous prime is 2211020222221. The next prime is 2211020222233. The reversal of 2211020222222 is 2222220201122.

It is a super-2 number, since 2×2211020222222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2211020222194 and 2211020222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211020222221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11280715322 + ... + 11280715517.

It is an arithmetic number, because the mean of its divisors is an integer number (321500389470).

Almost surely, 2^{2211020222222} is an apocalyptic number.

2211020222222 is a deficient number, since it is larger than the sum of its proper divisors (1646984451418).

2211020222222 is a wasteful number, since it uses less digits than its factorization.

2211020222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22561430855 (or 22561430848 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2211020222222 its reverse (2222220201122), we get a palindrome (4433240423344).

The spelling of 2211020222222 in words is "two trillion, two hundred eleven billion, twenty million, two hundred twenty-two thousand, two hundred twenty-two".