202221011112 has 32 divisors (see below), whose sum is σ = 505984325280. Its totient is φ = 67349430720.

The previous prime is 202221011107. The next prime is 202221011117. The reversal of 202221011112 is 211110122202.

It is an interprime number because it is at equal distance from previous prime (202221011107) and next prime (202221011117).

It is a junction number, because it is equal to n+sod(n) for n = 202221011091 and 202221011100.

It is not an unprimeable number, because it can be changed into a prime (202221011117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3569623 + ... + 3625830.

It is an arithmetic number, because the mean of its divisors is an integer number (15812010165).

Almost surely, 2^202221011112 is an apocalyptic number.

It is an amenable number.

202221011112 is an abundant number, since it is smaller than the sum of its proper divisors (303763314168).

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

202221011112 is a wasteful number, since it uses less digits than its factorization.

202221011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7196633 (or 7196629 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202221011112 its reverse (211110122202), we get a palindrome (413331133314).

The spelling of 202221011112 in words is "two hundred two billion, two hundred twenty-one million, eleven thousand, one hundred twelve".