202011221221022 has 32 divisors (see below), whose sum is σ = 304758226349280. Its totient is φ = 100426587909120.

The previous prime is 202011221220973. The next prime is 202011221221093. The reversal of 202011221221022 is 220122122110202.

It is a junction number, because it is equal to n+sod(n) for n = 202011221220985 and 202011221221003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 904401338 + ... + 904624674.

It is an arithmetic number, because the mean of its divisors is an integer number (9523694573415).

Almost surely, 2^{202011221221022} is an apocalyptic number.

202011221221022 is a deficient number, since it is larger than the sum of its proper divisors (102747005128258).

202011221221022 is a wasteful number, since it uses less digits than its factorization.

202011221221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226556.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202011221221022 its reverse (220122122110202), we get a palindrome (422133343331224).

The spelling of 202011221221022 in words is "two hundred two trillion, eleven billion, two hundred twenty-one million, two hundred twenty-one thousand, twenty-two".