203312201211201 has 4 divisors (see below), whose sum is σ = 271082934948272. Its totient is φ = 135541467474132.

The previous prime is 203312201211199. The next prime is 203312201211211. The reversal of 203312201211201 is 102112102213302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 203312201211201 - 2¹ = 203312201211199 is a prime.

It is a super-2 number, since 2×203312201211201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203312201211211) 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, 33885366868531 + ... + 33885366868536.

It is an arithmetic number, because the mean of its divisors is an integer number (67770733737068).

Almost surely, 2^{203312201211201} is an apocalyptic number.

It is an amenable number.

203312201211201 is a deficient number, since it is larger than the sum of its proper divisors (67770733737071).

203312201211201 is an equidigital number, since it uses as much as digits as its factorization.

203312201211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67770733737070.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 203312201211201 its reverse (102112102213302), we get a palindrome (305424303424503).

The spelling of 203312201211201 in words is "two hundred three trillion, three hundred twelve billion, two hundred one million, two hundred eleven thousand, two hundred one".