2102406163203 has 4 divisors (see below), whose sum is σ = 2803208217608. Its totient is φ = 1401604108800.

The previous prime is 2102406163147. The next prime is 2102406163219. The reversal of 2102406163203 is 3023616042012.

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

It is not a de Polignac number, because 2102406163203 - 2⁹ = 2102406162691 is a prime.

It is a super-2 number, since 2×2102406163203² (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 (2102406163903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350401027198 + ... + 350401027203.

It is an arithmetic number, because the mean of its divisors is an integer number (700802054402).

Almost surely, 2^{2102406163203} is an apocalyptic number.

2102406163203 is a deficient number, since it is larger than the sum of its proper divisors (700802054405).

2102406163203 is an equidigital number, since it uses as much as digits as its factorization.

2102406163203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700802054404.

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 2102406163203 in words is "two trillion, one hundred two billion, four hundred six million, one hundred sixty-three thousand, two hundred three".