4021343123101 has 32 divisors (see below), whose sum is σ = 4183256409696. Its totient is φ = 3862619136000.

The previous prime is 4021343123099. The next prime is 4021343123131. The reversal of 4021343123101 is 1013213431204.

It can be written as a sum of positive squares in 16 ways, for example, as 1734370472025 + 2286972651076 = 1316955^2 + 1512274^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021343123101 - 2¹ = 4021343123099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021343123131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 881677861 + ... + 881682421.

It is an arithmetic number, because the mean of its divisors is an integer number (130726762803).

Almost surely, 2^{4021343123101} is an apocalyptic number.

It is an amenable number.

4021343123101 is a deficient number, since it is larger than the sum of its proper divisors (161913286595).

4021343123101 is a wasteful number, since it uses less digits than its factorization.

4021343123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5713.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 4021343123101 its reverse (1013213431204), we get a palindrome (5034556554305).

The spelling of 4021343123101 in words is "four trillion, twenty-one billion, three hundred forty-three million, one hundred twenty-three thousand, one hundred one".