2112211304 has 64 divisors (see below), whose sum is σ = 4893244800. Its totient is φ = 834395904.

The previous prime is 2112211303. The next prime is 2112211313. The reversal of 2112211304 is 4031122112.

It is a super-2 number, since 2×2112211304² = 8922873185490760832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112211303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12542 + ... + 66194.

It is an arithmetic number, because the mean of its divisors is an integer number (76456950).

Almost surely, 2^2112211304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112211304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2446622400).

2112211304 is an abundant number, since it is smaller than the sum of its proper divisors (2781033496).

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

2112211304 is a wasteful number, since it uses less digits than its factorization.

2112211304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53722 (or 53718 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2112211304 is about 45958.8000713683. The cubic root of 2112211304 is about 1283.0565187554.

Adding to 2112211304 its reverse (4031122112), we get a palindrome (6143333416).

The spelling of 2112211304 in words is "two billion, one hundred twelve million, two hundred eleven thousand, three hundred four".