2134121117 has 2 divisors, whose sum is σ = 2134121118. Its totient is φ = 2134121116.

The previous prime is 2134121069. The next prime is 2134121141. The reversal of 2134121117 is 7111214312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2125763236 + 8357881 = 46106^2 + 2891^2 .

It is a cyclic number.

It is not a de Polignac number, because 2134121117 - 2¹² = 2134117021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2134121092 and 2134121101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134121147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067060558 + 1067060559.

It is an arithmetic number, because the mean of its divisors is an integer number (1067060559).

Almost surely, 2^2134121117 is an apocalyptic number.

It is an amenable number.

2134121117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134121117 is an equidigital number, since it uses as much as digits as its factorization.

2134121117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 23.

The square root of 2134121117 is about 46196.5487563736. The cubic root of 2134121117 is about 1287.4776176333.

Adding to 2134121117 its reverse (7111214312), we get a palindrome (9245335429).

The spelling of 2134121117 in words is "two billion, one hundred thirty-four million, one hundred twenty-one thousand, one hundred seventeen".