202221100112 has 20 divisors (see below), whose sum is σ = 408838311840. Its totient is φ = 96714439008.

The previous prime is 202221100111. The next prime is 202221100141. The reversal of 202221100112 is 211001122202.

It is a super-3 number, since 3×202221100112³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202221100111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274756562 + ... + 274757297.

It is an arithmetic number, because the mean of its divisors is an integer number (20441915592).

Almost surely, 2^202221100112 is an apocalyptic number.

It is an amenable number.

202221100112 is an abundant number, since it is smaller than the sum of its proper divisors (206617211728).

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

202221100112 is a wasteful number, since it uses less digits than its factorization.

202221100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549513890 (or 549513884 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202221100112 its reverse (211001122202), we get a palindrome (413222222314).

The spelling of 202221100112 in words is "two hundred two billion, two hundred twenty-one million, one hundred thousand, one hundred twelve".