202022011601 has 2 divisors, whose sum is σ = 202022011602. Its totient is φ = 202022011600.

The previous prime is 202022011571. The next prime is 202022011619. The reversal of 202022011601 is 106110220202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145496473600 + 56525538001 = 381440^2 + 237751^2 .

It is a cyclic number.

It is not a de Polignac number, because 202022011601 - 2³⁰ = 200948269777 is a prime.

It is a super-3 number, since 3×202022011601³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202022011601.

It is not a weakly prime, because it can be changed into another prime (202022011621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101011005800 + 101011005801.

It is an arithmetic number, because the mean of its divisors is an integer number (101011005801).

Almost surely, 2^202022011601 is an apocalyptic number.

It is an amenable number.

202022011601 is a deficient number, since it is larger than the sum of its proper divisors (1).

202022011601 is an equidigital number, since it uses as much as digits as its factorization.

202022011601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 202022011601 its reverse (106110220202), we get a palindrome (308132231803).

The spelling of 202022011601 in words is "two hundred two billion, twenty-two million, eleven thousand, six hundred one".