4021121420233 has 2 divisors, whose sum is σ = 4021121420234. Its totient is φ = 4021121420232.

The previous prime is 4021121420189. The next prime is 4021121420311. The reversal of 4021121420233 is 3320241211204.

4021121420233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3932872023609 + 88249396624 = 1983147^2 + 297068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021121420233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4021121420198 and 4021121420207.

It is not a weakly prime, because it can be changed into another prime (4021121423233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010560710116 + 2010560710117.

It is an arithmetic number, because the mean of its divisors is an integer number (2010560710117).

Almost surely, 2^{4021121420233} is an apocalyptic number.

It is an amenable number.

4021121420233 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021121420233 is an equidigital number, since it uses as much as digits as its factorization.

4021121420233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 4021121420233 its reverse (3320241211204), we get a palindrome (7341362631437).

The spelling of 4021121420233 in words is "four trillion, twenty-one billion, one hundred twenty-one million, four hundred twenty thousand, two hundred thirty-three".