203222201101 has 4 divisors (see below), whose sum is σ = 205234302204. Its totient is φ = 201210100000.

The previous prime is 203222201089. The next prime is 203222201129. The reversal of 203222201101 is 101102222302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 134614876201 + 68607324900 = 366899^2 + 261930^2 .

It is a cyclic number.

It is not a de Polignac number, because 203222201101 - 2¹¹ = 203222199053 is a prime.

It is a super-2 number, since 2×203222201101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203222201131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006050400 + ... + 1006050601.

It is an arithmetic number, because the mean of its divisors is an integer number (51308575551).

Almost surely, 2^203222201101 is an apocalyptic number.

It is an amenable number.

203222201101 is a deficient number, since it is larger than the sum of its proper divisors (2012101103).

203222201101 is a wasteful number, since it uses less digits than its factorization.

203222201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012101102.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 203222201101 its reverse (101102222302), we get a palindrome (304324423403).

It can be divided in two parts, 203222201 and 101, that added together give a palindrome (203222302).

The spelling of 203222201101 in words is "two hundred three billion, two hundred twenty-two million, two hundred one thousand, one hundred one".