2212131120 has 80 divisors (see below), whose sum is σ = 7261008480. Its totient is φ = 555200512.

The previous prime is 2212131113. The next prime is 2212131121. The reversal of 2212131120 is 211312122.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2212131120.

It is not an unprimeable number, because it can be changed into a prime (2212131121) 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, 267015 + ... + 275174.

It is an arithmetic number, because the mean of its divisors is an integer number (90762606).

Almost surely, 2^2212131120 is an apocalyptic number.

2212131120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212131120 is an abundant number, since it is smaller than the sum of its proper divisors (5048877360).

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

2212131120 is a wasteful number, since it uses less digits than its factorization.

2212131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542222 (or 542216 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2212131120 is about 47033.2979919546. The cubic root of 2212131120 is about 1302.9776164538.

Adding to 2212131120 its reverse (211312122), we get a palindrome (2423443242).

The spelling of 2212131120 in words is "two billion, two hundred twelve million, one hundred thirty-one thousand, one hundred twenty".