2121133101223 has 8 divisors (see below), whose sum is σ = 2149847130368. Its totient is φ = 2092558800384.

The previous prime is 2121133101209. The next prime is 2121133101229. The reversal of 2121133101223 is 3221013311212.

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-2121133101223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121133101194 and 2121133101203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121133101229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34901511 + ... + 34962232.

It is an arithmetic number, because the mean of its divisors is an integer number (268730891296).

Almost surely, 2^{2121133101223} is an apocalyptic number.

2121133101223 is a deficient number, since it is larger than the sum of its proper divisors (28714029145).

2121133101223 is an equidigital number, since it uses as much as digits as its factorization.

2121133101223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69864153.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2121133101223 its reverse (3221013311212), we get a palindrome (5342146412435).

The spelling of 2121133101223 in words is "two trillion, one hundred twenty-one billion, one hundred thirty-three million, one hundred one thousand, two hundred twenty-three".