203312010100111 has 16 divisors (see below), whose sum is σ = 224001937474848. Its totient is φ = 182990099152000.

The previous prime is 203312010100109. The next prime is 203312010100123. The reversal of 203312010100111 is 111001010213302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 203312010100111 - 2¹ = 203312010100109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203312010101111) 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, 18121881 + ... + 27111373.

It is an arithmetic number, because the mean of its divisors is an integer number (14000121092178).

Almost surely, 2^{203312010100111} is an apocalyptic number.

203312010100111 is a deficient number, since it is larger than the sum of its proper divisors (20689927374737).

203312010100111 is a wasteful number, since it uses less digits than its factorization.

203312010100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009962.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 203312010100111 its reverse (111001010213302), we get a palindrome (314313020313413).

The spelling of 203312010100111 in words is "two hundred three trillion, three hundred twelve billion, ten million, one hundred thousand, one hundred eleven".