2102021310203 has 8 divisors (see below), whose sum is σ = 2214360015120. Its totient is φ = 1989853205760.

The previous prime is 2102021310199. The next prime is 2102021310227. The reversal of 2102021310203 is 3020131202012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2102021310203 - 2² = 2102021310199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102021330203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42624818 + ... + 42674103.

It is an arithmetic number, because the mean of its divisors is an integer number (276795001890).

Almost surely, 2^{2102021310203} is an apocalyptic number.

2102021310203 is a deficient number, since it is larger than the sum of its proper divisors (112338704917).

2102021310203 is a wasteful number, since it uses less digits than its factorization.

2102021310203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85300237.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2102021310203 its reverse (3020131202012), we get a palindrome (5122152512215).

The spelling of 2102021310203 in words is "two trillion, one hundred two billion, twenty-one million, three hundred ten thousand, two hundred three".