203213302101 has 12 divisors (see below), whose sum is σ = 310796815212. Its totient is φ = 127506385536.

The previous prime is 203213302037. The next prime is 203213302129. The reversal of 203213302101 is 101203312302.

203213302101 is a `hidden beast` number, since 2 + 0 + 321 + 330 + 2 + 10 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 188878029201 + 14335272900 = 434601^2 + 119730^2 .

It is not a de Polignac number, because 203213302101 - 2⁶ = 203213302037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203213303101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 664095606 + ... + 664095911.

It is an arithmetic number, because the mean of its divisors is an integer number (25899734601).

Almost surely, 2^203213302101 is an apocalyptic number.

It is an amenable number.

203213302101 is a deficient number, since it is larger than the sum of its proper divisors (107583513111).

203213302101 is a wasteful number, since it uses less digits than its factorization.

203213302101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328191540 (or 1328191537 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 203213302101 its reverse (101203312302), we get a palindrome (304416614403).

The spelling of 203213302101 in words is "two hundred three billion, two hundred thirteen million, three hundred two thousand, one hundred one".