2123213301101 has 64 divisors (see below), whose sum is σ = 2412982586880. Its totient is φ = 1858143006720.

The previous prime is 2123213301023. The next prime is 2123213301109. The reversal of 2123213301101 is 1011033123212.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123213301101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123213301109) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1422111311 + ... + 1422112803.

It is an arithmetic number, because the mean of its divisors is an integer number (37702852920).

Almost surely, 2^{2123213301101} is an apocalyptic number.

It is an amenable number.

2123213301101 is a deficient number, since it is larger than the sum of its proper divisors (289769285779).

2123213301101 is a wasteful number, since it uses less digits than its factorization.

2123213301101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2123213301101 its reverse (1011033123212), we get a palindrome (3134246424313).

The spelling of 2123213301101 in words is "two trillion, one hundred twenty-three billion, two hundred thirteen million, three hundred one thousand, one hundred one".