2021022034 has 4 divisors (see below), whose sum is σ = 3031533054. Its totient is φ = 1010511016.

The previous prime is 2021022013. The next prime is 2021022071. The reversal of 2021022034 is 4302201202.

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

It can be written as a sum of positive squares in only one way, i.e., 1640655025 + 380367009 = 40505^2 + 19503^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2021021999 and 2021022017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505255507 + ... + 505255510.

Almost surely, 2^2021022034 is an apocalyptic number.

2021022034 is a deficient number, since it is larger than the sum of its proper divisors (1010511020).

2021022034 is a wasteful number, since it uses less digits than its factorization.

2021022034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010511019.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2021022034 is about 44955.7786496909. The cubic root of 2021022034 is about 1264.3200236693.

Adding to 2021022034 its reverse (4302201202), we get a palindrome (6323223236).

The spelling of 2021022034 in words is "two billion, twenty-one million, twenty-two thousand, thirty-four".