2034203202021 has 4 divisors (see below), whose sum is σ = 2712270936032. Its totient is φ = 1356135468012.

The previous prime is 2034203202013. The next prime is 2034203202041. The reversal of 2034203202021 is 1202023024302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2034203202021 - 2³ = 2034203202013 is a prime.

It is a super-2 number, since 2×2034203202021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2034203202041) 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, 339033867001 + ... + 339033867006.

It is an arithmetic number, because the mean of its divisors is an integer number (678067734008).

Almost surely, 2^{2034203202021} is an apocalyptic number.

It is an amenable number.

2034203202021 is a deficient number, since it is larger than the sum of its proper divisors (678067734011).

2034203202021 is an equidigital number, since it uses as much as digits as its factorization.

2034203202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678067734010.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 2034203202021 its reverse (1202023024302), we get a palindrome (3236226226323).

The spelling of 2034203202021 in words is "two trillion, thirty-four billion, two hundred three million, two hundred two thousand, twenty-one".