2143020010001 has 16 divisors (see below), whose sum is σ = 2334903087888. Its totient is φ = 1955069472000.

The previous prime is 2143020009997. The next prime is 2143020010003. The reversal of 2143020010001 is 1000100203412.

It can be written as a sum of positive squares in 8 ways, for example, as 294983679376 + 1848036330625 = 543124^2 + 1359425^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143020010001 - 2² = 2143020009997 is a prime.

It is a super-2 number, since 2×2143020010001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143020010003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733790 + ... + 2196471.

It is an arithmetic number, because the mean of its divisors is an integer number (145931442993).

Almost surely, 2^{2143020010001} is an apocalyptic number.

It is an amenable number.

2143020010001 is a deficient number, since it is larger than the sum of its proper divisors (191883077887).

2143020010001 is a wasteful number, since it uses less digits than its factorization.

2143020010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930932.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2143020010001 its reverse (1000100203412), we get a palindrome (3143120213413).

The spelling of 2143020010001 in words is "two trillion, one hundred forty-three billion, twenty million, ten thousand, one".