2123212433411 has 4 divisors (see below), whose sum is σ = 2123904713112. Its totient is φ = 2122520153712.

The previous prime is 2123212433401. The next prime is 2123212433473. The reversal of 2123212433411 is 1143342123212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123212433411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123212433401) 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, 346135250 + ... + 346141383.

It is an arithmetic number, because the mean of its divisors is an integer number (530976178278).

Almost surely, 2^{2123212433411} is an apocalyptic number.

2123212433411 is a deficient number, since it is larger than the sum of its proper divisors (692279701).

2123212433411 is an equidigital number, since it uses as much as digits as its factorization.

2123212433411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692279700.

The product of its digits is 6912, while the sum is 29.

Adding to 2123212433411 its reverse (1143342123212), we get a palindrome (3266554556623).

The spelling of 2123212433411 in words is "two trillion, one hundred twenty-three billion, two hundred twelve million, four hundred thirty-three thousand, four hundred eleven".