202001122222 has 4 divisors (see below), whose sum is σ = 303001683336. Its totient is φ = 101000561110.

The previous prime is 202001122187. The next prime is 202001122229. The reversal of 202001122222 is 222221100202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222221100202 = 2 ⋅111110550101.

It is a junction number, because it is equal to n+sod(n) for n = 202001122196 and 202001122205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001122229) by changing a digit.

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 as a sum of consecutive naturals, namely, 50500280554 + ... + 50500280557.

It is an arithmetic number, because the mean of its divisors is an integer number (75750420834).

Almost surely, 2^202001122222 is an apocalyptic number.

202001122222 is a deficient number, since it is larger than the sum of its proper divisors (101000561114).

202001122222 is a wasteful number, since it uses less digits than its factorization.

202001122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101000561113.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202001122222 its reverse (222221100202), we get a palindrome (424222222424).

The spelling of 202001122222 in words is "two hundred two billion, one million, one hundred twenty-two thousand, two hundred twenty-two".