3542220232021 has 2 divisors, whose sum is σ = 3542220232022. Its totient is φ = 3542220232020.

The previous prime is 3542220232007. The next prime is 3542220232073. The reversal of 3542220232021 is 1202320222453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3128957680996 + 413262551025 = 1768886^2 + 642855^2 .

It is a cyclic number.

It is not a de Polignac number, because 3542220232021 - 2³⁹ = 2992464418133 is a prime.

It is a super-3 number, since 3×3542220232021³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3542220232091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1771110116010 + 1771110116011.

It is an arithmetic number, because the mean of its divisors is an integer number (1771110116011).

Almost surely, 2^{3542220232021} is an apocalyptic number.

It is an amenable number.

3542220232021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3542220232021 is an equidigital number, since it uses as much as digits as its factorization.

3542220232021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 3542220232021 its reverse (1202320222453), we get a palindrome (4744540454474).

The spelling of 3542220232021 in words is "three trillion, five hundred forty-two billion, two hundred twenty million, two hundred thirty-two thousand, twenty-one".