202011221022 has 16 divisors (see below), whose sum is σ = 435101091600. Its totient is φ = 62157298752.

The previous prime is 202011220993. The next prime is 202011221023. The reversal of 202011221022 is 220122110202.

202011221022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202011220992 and 202011221010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202011221023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294943647 + ... + 1294943802.

It is an arithmetic number, because the mean of its divisors is an integer number (27193818225).

Almost surely, 2^202011221022 is an apocalyptic number.

202011221022 is an abundant number, since it is smaller than the sum of its proper divisors (233089870578).

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

202011221022 is a wasteful number, since it uses less digits than its factorization.

202011221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589887467.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202011221022 its reverse (220122110202), we get a palindrome (422133331224).

The spelling of 202011221022 in words is "two hundred two billion, eleven million, two hundred twenty-one thousand, twenty-two".