2102023202401 has 4 divisors (see below), whose sum is σ = 2105717444100. Its totient is φ = 2098328960704.

The previous prime is 2102023202393. The next prime is 2102023202431. The reversal of 2102023202401 is 1042023202012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1447786497600 + 654236704801 = 1203240^2 + 808849^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102023202401 - 2³ = 2102023202393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102023202431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1847119996 + ... + 1847121133.

It is an arithmetic number, because the mean of its divisors is an integer number (526429361025).

Almost surely, 2^{2102023202401} is an apocalyptic number.

It is an amenable number.

2102023202401 is a deficient number, since it is larger than the sum of its proper divisors (3694241699).

2102023202401 is an equidigital number, since it uses as much as digits as its factorization.

2102023202401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694241698.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2102023202401 its reverse (1042023202012), we get a palindrome (3144046404413).

The spelling of 2102023202401 in words is "two trillion, one hundred two billion, twenty-three million, two hundred two thousand, four hundred one".