201021202022 has 32 divisors (see below), whose sum is σ = 307353244800. Its totient is φ = 98591033088.

The previous prime is 201021202007. The next prime is 201021202051. The reversal of 201021202022 is 220202120102.

It is a junction number, because it is equal to n+sod(n) for n = 201021201988 and 201021202006.

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, 16685933 + ... + 16697975.

It is an arithmetic number, because the mean of its divisors is an integer number (9604788900).

Almost surely, 2^201021202022 is an apocalyptic number.

201021202022 is a deficient number, since it is larger than the sum of its proper divisors (106332042778).

201021202022 is a wasteful number, since it uses less digits than its factorization.

201021202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12900.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 201021202022 its reverse (220202120102), we get a palindrome (421223322124).

The spelling of 201021202022 in words is "two hundred one billion, twenty-one million, two hundred two thousand, twenty-two".