202113221022 has 48 divisors (see below), whose sum is σ = 440122370688. Its totient is φ = 67031354880.

The previous prime is 202113221003. The next prime is 202113221029. The reversal of 202113221022 is 220122311202.

202113221022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202113221022² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202113220986 and 202113221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202113221029) 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 23 ways as a sum of consecutive naturals, for example, 7665622 + ... + 7691942.

It is an arithmetic number, because the mean of its divisors is an integer number (9169216056).

Almost surely, 2^202113221022 is an apocalyptic number.

202113221022 is an abundant number, since it is smaller than the sum of its proper divisors (238009149666).

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

202113221022 is a wasteful number, since it uses less digits than its factorization.

202113221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28465 (or 28462 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 202113221022 its reverse (220122311202), we get a palindrome (422235532224).

The spelling of 202113221022 in words is "two hundred two billion, one hundred thirteen million, two hundred twenty-one thousand, twenty-two".