202221112122222 has 32 divisors (see below), whose sum is σ = 431884911329280. Its totient is φ = 62983216232160.

The previous prime is 202221112122131. The next prime is 202221112122241. The reversal of 202221112122222 is 222221211122202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202221112122192 and 202221112122201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18744999438 + ... + 18745010225.

It is an arithmetic number, because the mean of its divisors is an integer number (13496403479040).

Almost surely, 2^{202221112122222} is an apocalyptic number.

202221112122222 is an abundant number, since it is smaller than the sum of its proper divisors (229663799207058).

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

202221112122222 is a wasteful number, since it uses less digits than its factorization.

202221112122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37490009728.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 202221112122222 its reverse (222221211122202), we get a palindrome (424442323244424).

The spelling of 202221112122222 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred twelve million, one hundred twenty-two thousand, two hundred twenty-two".