302113221112 has 32 divisors (see below), whose sum is σ = 596316585600. Its totient is φ = 143096544864.

The previous prime is 302113221103. The next prime is 302113221119. The reversal of 302113221112 is 211122311203.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 302113221112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302113221119) 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, 2498023 + ... + 2616169.

It is an arithmetic number, because the mean of its divisors is an integer number (18634893300).

Almost surely, 2^302113221112 is an apocalyptic number.

It is an amenable number.

302113221112 is a deficient number, since it is larger than the sum of its proper divisors (294203364488).

302113221112 is a wasteful number, since it uses less digits than its factorization.

302113221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134995 (or 134991 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 302113221112 its reverse (211122311203), we get a palindrome (513235532315).

Subtracting from 302113221112 its reverse (211122311203), we obtain a palindrome (90990909909).

The spelling of 302113221112 in words is "three hundred two billion, one hundred thirteen million, two hundred twenty-one thousand, one hundred twelve".