203311123101202 has 16 divisors (see below), whose sum is σ = 305106648364440. Its totient is φ = 101608917106432.

The previous prime is 203311123101173. The next prime is 203311123101241. The reversal of 203311123101202 is 202101321113302.

It can be written as a sum of positive squares in 4 ways, for example, as 202749149478001 + 561973623201 = 14239001^2 + 749649^2 .

It is a super-2 number, since 2×203311123101202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 37699674 + ... + 42753802.

Almost surely, 2^{203311123101202} is an apocalyptic number.

203311123101202 is a deficient number, since it is larger than the sum of its proper divisors (101795525263238).

203311123101202 is a wasteful number, since it uses less digits than its factorization.

203311123101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5063357.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 203311123101202 its reverse (202101321113302), we get a palindrome (405412444214504).

The spelling of 203311123101202 in words is "two hundred three trillion, three hundred eleven billion, one hundred twenty-three million, one hundred one thousand, two hundred two".