201122220222222 has 16 divisors (see below), whose sum is σ = 433186320478800. Its totient is φ = 61883760068352.

The previous prime is 201122220222221. The next prime is 201122220222223. The reversal of 201122220222222 is 222222022221102.

It is an interprime number because it is at equal distance from previous prime (201122220222221) and next prime (201122220222223).

It is a junction number, because it is equal to n+sod(n) for n = 201122220222192 and 201122220222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122220222221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1289245001347 + ... + 1289245001502.

It is an arithmetic number, because the mean of its divisors is an integer number (27074145029925).

Almost surely, 2^{201122220222222} is an apocalyptic number.

201122220222222 is an abundant number, since it is smaller than the sum of its proper divisors (232064100256578).

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

201122220222222 is a wasteful number, since it uses less digits than its factorization.

201122220222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578490002867.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 201122220222222 its reverse (222222022221102), we get a palindrome (423344242443324).

The spelling of 201122220222222 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty million, two hundred twenty-two thousand, two hundred twenty-two".