235221802201 has 16 divisors (see below), whose sum is σ = 245559086080. Its totient is φ = 225061079040.

The previous prime is 235221802163. The next prime is 235221802219. The reversal of 235221802201 is 102208122532.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235221802201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 235221802201.

It is not an unprimeable number, because it can be changed into a prime (235221802261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2995300 + ... + 3072826.

It is an arithmetic number, because the mean of its divisors is an integer number (15347442880).

Almost surely, 2^235221802201 is an apocalyptic number.

It is an amenable number.

235221802201 is a deficient number, since it is larger than the sum of its proper divisors (10337283879).

235221802201 is a wasteful number, since it uses less digits than its factorization.

235221802201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78664.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 235221802201 its reverse (102208122532), we get a palindrome (337429924733).

The spelling of 235221802201 in words is "two hundred thirty-five billion, two hundred twenty-one million, eight hundred two thousand, two hundred one".