2221310233121 has 8 divisors (see below), whose sum is σ = 2542390109760. Its totient is φ = 1901167817328.

The previous prime is 2221310233099. The next prime is 2221310233169. The reversal of 2221310233121 is 1213320131222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221310233121 - 2³⁴ = 2204130363937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221310233321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234360131 + ... + 234369608.

It is an arithmetic number, because the mean of its divisors is an integer number (317798763720).

Almost surely, 2^{2221310233121} is an apocalyptic number.

It is an amenable number.

2221310233121 is a deficient number, since it is larger than the sum of its proper divisors (321079876639).

2221310233121 is an equidigital number, since it uses as much as digits as its factorization.

2221310233121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468730423.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2221310233121 its reverse (1213320131222), we get a palindrome (3434630364343).

The spelling of 2221310233121 in words is "two trillion, two hundred twenty-one billion, three hundred ten million, two hundred thirty-three thousand, one hundred twenty-one".