2132101021 has 2 divisors, whose sum is σ = 2132101022. Its totient is φ = 2132101020.

The previous prime is 2132101007. The next prime is 2132101039. The reversal of 2132101021 is 1201012312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1723495225 + 408605796 = 41515^2 + 20214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132101021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2132100992 and 2132101010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2132101051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066050510 + 1066050511.

It is an arithmetic number, because the mean of its divisors is an integer number (1066050511).

Almost surely, 2^2132101021 is an apocalyptic number.

It is an amenable number.

2132101021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132101021 is an equidigital number, since it uses as much as digits as its factorization.

2132101021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2132101021 is about 46174.6794358120. The cubic root of 2132101021 is about 1287.0712599655.

Adding to 2132101021 its reverse (1201012312), we get a palindrome (3333113333).

The spelling of 2132101021 in words is "two billion, one hundred thirty-two million, one hundred one thousand, twenty-one".