201022221022 has 32 divisors (see below), whose sum is σ = 348404779008. Its totient is φ = 85206227616.

The previous prime is 201022221017. The next prime is 201022221073. The reversal of 201022221022 is 220122220102.

It is a junction number, because it is equal to n+sod(n) for n = 201022220987 and 201022221005.

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, 798748 + ... + 1019824.

It is an arithmetic number, because the mean of its divisors is an integer number (10887649344).

Almost surely, 2^201022221022 is an apocalyptic number.

201022221022 is a deficient number, since it is larger than the sum of its proper divisors (147382557986).

201022221022 is a wasteful number, since it uses less digits than its factorization.

201022221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221800.

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

Adding to 201022221022 its reverse (220122220102), we get a palindrome (421144441124).

The spelling of 201022221022 in words is "two hundred one billion, twenty-two million, two hundred twenty-one thousand, twenty-two".