2231121103201 has 4 divisors (see below), whose sum is σ = 2258002080432. Its totient is φ = 2204240125972.

The previous prime is 2231121103109. The next prime is 2231121103243. The reversal of 2231121103201 is 1023011211322.

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 a cyclic number.

It is not a de Polignac number, because 2231121103201 - 2³⁹ = 1681365289313 is a prime.

It is a super-3 number, since 3×2231121103201³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231121103271) 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, 13440488491 + ... + 13440488656.

It is an arithmetic number, because the mean of its divisors is an integer number (564500520108).

Almost surely, 2^{2231121103201} is an apocalyptic number.

It is an amenable number.

2231121103201 is a deficient number, since it is larger than the sum of its proper divisors (26880977231).

2231121103201 is an equidigital number, since it uses as much as digits as its factorization.

2231121103201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26880977230.

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

Adding to 2231121103201 its reverse (1023011211322), we get a palindrome (3254132314523).

The spelling of 2231121103201 in words is "two trillion, two hundred thirty-one billion, one hundred twenty-one million, one hundred three thousand, two hundred one".