2102020120203 has 8 divisors (see below), whose sum is σ = 2802701217600. Its totient is φ = 1401342884808.

The previous prime is 2102020120199. The next prime is 2102020120253. The reversal of 2102020120203 is 3020210202012.

It is a happy number.

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

It is not a de Polignac number, because 2102020120203 - 2² = 2102020120199 is a prime.

It is a super-2 number, since 2×2102020120203² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2102020120253) 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, 729688 + ... + 2176346.

It is an arithmetic number, because the mean of its divisors is an integer number (350337652200).

Almost surely, 2^{2102020120203} is an apocalyptic number.

2102020120203 is a deficient number, since it is larger than the sum of its proper divisors (700681097397).

2102020120203 is a wasteful number, since it uses less digits than its factorization.

2102020120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931001.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2102020120203 its reverse (3020210202012), we get a palindrome (5122230322215).

The spelling of 2102020120203 in words is "two trillion, one hundred two billion, twenty million, one hundred twenty thousand, two hundred three".