201222101112 has 32 divisors (see below), whose sum is σ = 509116164480. Its totient is φ = 66265912160.

The previous prime is 201222101033. The next prime is 201222101123. The reversal of 201222101112 is 211101222102.

It is a junction number, because it is equal to n+sod(n) for n = 201222101091 and 201222101100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50505564 + ... + 50509547.

It is an arithmetic number, because the mean of its divisors is an integer number (15909880140).

Almost surely, 2^201222101112 is an apocalyptic number.

It is an amenable number.

201222101112 is an abundant number, since it is smaller than the sum of its proper divisors (307894063368).

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

201222101112 is a wasteful number, since it uses less digits than its factorization.

201222101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101015203 (or 101015199 counting only the distinct ones).

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

Adding to 201222101112 its reverse (211101222102), we get a palindrome (412323323214).

The spelling of 201222101112 in words is "two hundred one billion, two hundred twenty-two million, one hundred one thousand, one hundred twelve".