2201311201231 has 4 divisors (see below), whose sum is σ = 2201687950392. Its totient is φ = 2200934452072.

The previous prime is 2201311201139. The next prime is 2201311201283. The reversal of 2201311201231 is 1321021131022.

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

It is a cyclic number.

It is not a de Polignac number, because 2201311201231 - 2⁴¹ = 2287945679 is a prime.

It is a super-2 number, since 2×2201311201231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201311201199 and 2201311201208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201311204231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188365816 + ... + 188377501.

It is an arithmetic number, because the mean of its divisors is an integer number (550421987598).

Almost surely, 2^{2201311201231} is an apocalyptic number.

2201311201231 is a deficient number, since it is larger than the sum of its proper divisors (376749161).

2201311201231 is an equidigital number, since it uses as much as digits as its factorization.

2201311201231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376749160.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2201311201231 its reverse (1321021131022), we get a palindrome (3522332332253).

The spelling of 2201311201231 in words is "two trillion, two hundred one billion, three hundred eleven million, two hundred one thousand, two hundred thirty-one".