2132111977 has 2 divisors, whose sum is σ = 2132111978. Its totient is φ = 2132111976.

The previous prime is 2132111963. The next prime is 2132112011. The reversal of 2132111977 is 7791112312.

It is an a-pointer prime, because the next prime (2132112011) can be obtained adding 2132111977 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1788528681 + 343583296 = 42291^2 + 18536^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132111977 - 2¹¹ = 2132109929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2132111677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066055988 + 1066055989.

It is an arithmetic number, because the mean of its divisors is an integer number (1066055989).

Almost surely, 2^2132111977 is an apocalyptic number.

It is an amenable number.

2132111977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132111977 is an equidigital number, since it uses as much as digits as its factorization.

2132111977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 34.

The square root of 2132111977 is about 46174.7980721086. The cubic root of 2132111977 is about 1287.0734645403.

The spelling of 2132111977 in words is "two billion, one hundred thirty-two million, one hundred eleven thousand, nine hundred seventy-seven".