2112154133 has 8 divisors (see below), whose sum is σ = 2226551520. Its totient is φ = 1998079920.

The previous prime is 2112154123. The next prime is 2112154201. The reversal of 2112154133 is 3314512112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112154133 - 2⁸ = 2112153877 is a prime.

It is a super-2 number, since 2×2112154133² = 8922390163097963378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112154099 and 2112154108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112154123) 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, 67310 + ... + 93567.

It is an arithmetic number, because the mean of its divisors is an integer number (278318940).

Almost surely, 2^2112154133 is an apocalyptic number.

It is an amenable number.

2112154133 is a deficient number, since it is larger than the sum of its proper divisors (114397387).

2112154133 is a wasteful number, since it uses less digits than its factorization.

2112154133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161587.

The product of its digits is 720, while the sum is 23.

The square root of 2112154133 is about 45958.1780861687. The cubic root of 2112154133 is about 1283.0449425326.

Adding to 2112154133 its reverse (3314512112), we get a palindrome (5426666245).

The spelling of 2112154133 in words is "two billion, one hundred twelve million, one hundred fifty-four thousand, one hundred thirty-three".