4022031032021 has 2 divisors, whose sum is σ = 4022031032022. Its totient is φ = 4022031032020.

The previous prime is 4022031031961. The next prime is 4022031032069. The reversal of 4022031032021 is 1202301302204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2381682292900 + 1640348739121 = 1543270^2 + 1280761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4022031032021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4022031031984 and 4022031032002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4022031032821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011015516010 + 2011015516011.

It is an arithmetic number, because the mean of its divisors is an integer number (2011015516011).

Almost surely, 2^{4022031032021} is an apocalyptic number.

It is an amenable number.

4022031032021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4022031032021 is an equidigital number, since it uses as much as digits as its factorization.

4022031032021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 4022031032021 its reverse (1202301302204), we get a palindrome (5224332334225).

The spelling of 4022031032021 in words is "four trillion, twenty-two billion, thirty-one million, thirty-two thousand, twenty-one".