2134221240029 has 2 divisors, whose sum is σ = 2134221240030. Its totient is φ = 2134221240028.

The previous prime is 2134221240017. The next prime is 2134221240031. The reversal of 2134221240029 is 9200421224312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2003575137529 + 130646102500 = 1415477^2 + 361450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2134221240029 is a prime.

It is a super-4 number, since 4×2134221240029⁴ (a number of 50 digits) contains 4444 as substring.

Together with 2134221240031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2134221239977 and 2134221240004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134221200029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067110620014 + 1067110620015.

It is an arithmetic number, because the mean of its divisors is an integer number (1067110620015).

Almost surely, 2^{2134221240029} is an apocalyptic number.

It is an amenable number.

2134221240029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134221240029 is an equidigital number, since it uses as much as digits as its factorization.

2134221240029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 2134221240029 in words is "two trillion, one hundred thirty-four billion, two hundred twenty-one million, two hundred forty thousand, twenty-nine".