2121223320133 has 8 divisors (see below), whose sum is σ = 2126040725952. Its totient is φ = 2116411375776.

The previous prime is 2121223320089. The next prime is 2121223320143. The reversal of 2121223320133 is 3310233221212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121223320133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121223320098 and 2121223320107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121223320143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587185 + ... + 2141782.

It is an arithmetic number, because the mean of its divisors is an integer number (265755090744).

Almost surely, 2^{2121223320133} is an apocalyptic number.

It is an amenable number.

2121223320133 is a deficient number, since it is larger than the sum of its proper divisors (4817405819).

2121223320133 is an equidigital number, since it uses as much as digits as its factorization.

2121223320133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730731.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2121223320133 its reverse (3310233221212), we get a palindrome (5431456541345).

The spelling of 2121223320133 in words is "two trillion, one hundred twenty-one billion, two hundred twenty-three million, three hundred twenty thousand, one hundred thirty-three".