2201113331231 has 4 divisors (see below), whose sum is σ = 2201199334464. Its totient is φ = 2201027328000.

The previous prime is 2201113331177. The next prime is 2201113331251. The reversal of 2201113331231 is 1321333111022.

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 2201113331231 - 2¹⁴ = 2201113314847 is a prime.

It is a super-2 number, since 2×2201113331231² (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 = 2201113331197 and 2201113331206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201113331251) 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, 42963215 + ... + 43014416.

It is an arithmetic number, because the mean of its divisors is an integer number (550299833616).

Almost surely, 2^{2201113331231} is an apocalyptic number.

2201113331231 is a deficient number, since it is larger than the sum of its proper divisors (86003233).

2201113331231 is an equidigital number, since it uses as much as digits as its factorization.

2201113331231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86003232.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2201113331231 its reverse (1321333111022), we get a palindrome (3522446442253).

The spelling of 2201113331231 in words is "two trillion, two hundred one billion, one hundred thirteen million, three hundred thirty-one thousand, two hundred thirty-one".