2112161341 has 16 divisors (see below), whose sum is σ = 2213293824. Its totient is φ = 2014066944.

The previous prime is 2112161329. The next prime is 2112161357. The reversal of 2112161341 is 1431612112.

It is a cyclic number.

It is not a de Polignac number, because 2112161341 - 2¹³ = 2112153149 is a prime.

It is a super-2 number, since 2×2112161341² = 8922451060829836562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112161041) 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, 281065 + ... + 288481.

It is an arithmetic number, because the mean of its divisors is an integer number (138330864).

Almost surely, 2^2112161341 is an apocalyptic number.

It is an amenable number.

2112161341 is a deficient number, since it is larger than the sum of its proper divisors (101132483).

2112161341 is an equidigital number, since it uses as much as digits as its factorization.

2112161341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7620.

The product of its digits is 288, while the sum is 22.

The square root of 2112161341 is about 45958.2565052244. The cubic root of 2112161341 is about 1283.0464020500.

Adding to 2112161341 its reverse (1431612112), we get a palindrome (3543773453).

The spelling of 2112161341 in words is "two billion, one hundred twelve million, one hundred sixty-one thousand, three hundred forty-one".