2021034204123 has 8 divisors (see below), whose sum is σ = 2939686115136. Its totient is φ = 1224869214600.

The previous prime is 2021034204113. The next prime is 2021034204143. The reversal of 2021034204123 is 3214024301202.

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 2021034204123 - 2⁴ = 2021034204107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021034204093 and 2021034204102.

It is not an unprimeable number, because it can be changed into a prime (2021034204113) 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, 30621730333 + ... + 30621730398.

It is an arithmetic number, because the mean of its divisors is an integer number (367460764392).

Almost surely, 2^{2021034204123} is an apocalyptic number.

2021034204123 is a deficient number, since it is larger than the sum of its proper divisors (918651911013).

2021034204123 is a wasteful number, since it uses less digits than its factorization.

2021034204123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61243460745.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2021034204123 its reverse (3214024301202), we get a palindrome (5235058505325).

The spelling of 2021034204123 in words is "two trillion, twenty-one billion, thirty-four million, two hundred four thousand, one hundred twenty-three".