20102211120222 has 64 divisors (see below), whose sum is σ = 55694437747200. Its totient is φ = 5221353536640.

The previous prime is 20102211120221. The next prime is 20102211120331. The reversal of 20102211120222 is 22202111220102.

It is a happy number.

20102211120222 is a `hidden beast` number, since 201 + 0 + 221 + 1 + 1 + 20 + 222 = 666.

It is a super-2 number, since 2×20102211120222² (a number of 27 digits) contains 22 as substring.

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 = 20102211120195 and 20102211120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102211120221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2417289147 + ... + 2417297462.

It is an arithmetic number, because the mean of its divisors is an integer number (870225589800).

Almost surely, 2^{20102211120222} is an apocalyptic number.

20102211120222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20102211120222 is an abundant number, since it is smaller than the sum of its proper divisors (35592226626978).

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

20102211120222 is a wasteful number, since it uses less digits than its factorization.

20102211120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834586638 (or 4834586632 counting only the distinct ones).

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

Adding to 20102211120222 its reverse (22202111220102), we get a palindrome (42304322340324).

The spelling of 20102211120222 in words is "twenty trillion, one hundred two billion, two hundred eleven million, one hundred twenty thousand, two hundred twenty-two".