1355203224201 has 4 divisors (see below), whose sum is σ = 1806937632272. Its totient is φ = 903468816132.

The previous prime is 1355203224197. The next prime is 1355203224259. The reversal of 1355203224201 is 1024223025531.

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 1355203224201 - 2² = 1355203224197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1355203224281) 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, 225867204031 + ... + 225867204036.

It is an arithmetic number, because the mean of its divisors is an integer number (451734408068).

Almost surely, 2^{1355203224201} is an apocalyptic number.

It is an amenable number.

1355203224201 is a deficient number, since it is larger than the sum of its proper divisors (451734408071).

1355203224201 is an equidigital number, since it uses as much as digits as its factorization.

1355203224201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451734408070.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 1355203224201 its reverse (1024223025531), we get a palindrome (2379426249732).

The spelling of 1355203224201 in words is "one trillion, three hundred fifty-five billion, two hundred three million, two hundred twenty-four thousand, two hundred one".