4342102121 has 6 divisors (see below), whose sum is σ = 5051016810. Its totient is φ = 3721801776.

The previous prime is 4342102103. The next prime is 4342102133. The reversal of 4342102121 is 1212012434.

4342102121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4288285225 + 53816896 = 65485^2 + 7336^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4342102121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4342102093 and 4342102102.

It is not an unprimeable number, because it can be changed into a prime (4342102621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44307116 + ... + 44307213.

It is an arithmetic number, because the mean of its divisors is an integer number (841836135).

Almost surely, 2^4342102121 is an apocalyptic number.

It is an amenable number.

4342102121 is a deficient number, since it is larger than the sum of its proper divisors (708914689).

4342102121 is an equidigital number, since it uses as much as digits as its factorization.

4342102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88614343 (or 88614336 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4342102121 is about 65894.6289237598. The cubic root of 4342102121 is about 1631.4233644649.

Adding to 4342102121 its reverse (1212012434), we get a palindrome (5554114555).

The spelling of 4342102121 in words is "four billion, three hundred forty-two million, one hundred two thousand, one hundred twenty-one".