2112311202 has 32 divisors (see below), whose sum is σ = 4300283520. Its totient is φ = 691568640.

The previous prime is 2112311189. The next prime is 2112311207. The reversal of 2112311202 is 2021132112.

It is a super-2 number, since 2×2112311202² = 8923717228189369608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112311207) 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, 105378 + ... + 123810.

It is an arithmetic number, because the mean of its divisors is an integer number (134383860).

Almost surely, 2^2112311202 is an apocalyptic number.

2112311202 is an abundant number, since it is smaller than the sum of its proper divisors (2187972318).

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

2112311202 is a wasteful number, since it uses less digits than its factorization.

2112311202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18778.

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

The square root of 2112311202 is about 45959.8868797564. The cubic root of 2112311202 is about 1283.0767460182.

Adding to 2112311202 its reverse (2021132112), we get a palindrome (4133443314).

The spelling of 2112311202 in words is "two billion, one hundred twelve million, three hundred eleven thousand, two hundred two".