2112152771 has 2 divisors, whose sum is σ = 2112152772. Its totient is φ = 2112152770.

The previous prime is 2112152753. The next prime is 2112152797. The reversal of 2112152771 is 1772512112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2112152771 - 2¹⁰ = 2112151747 is a prime.

It is a super-2 number, since 2×2112152771² = 8922378656085956882, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2112152971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056076385 + 1056076386.

It is an arithmetic number, because the mean of its divisors is an integer number (1056076386).

Almost surely, 2^2112152771 is an apocalyptic number.

2112152771 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112152771 is an equidigital number, since it uses as much as digits as its factorization.

2112152771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1960, while the sum is 29.

The square root of 2112152771 is about 45958.1632683466. The cubic root of 2112152771 is about 1283.0446667466.

Adding to 2112152771 its reverse (1772512112), we get a palindrome (3884664883).

The spelling of 2112152771 in words is "two billion, one hundred twelve million, one hundred fifty-two thousand, seven hundred seventy-one".