2101232321101 has 4 divisors (see below), whose sum is σ = 2104479976032. Its totient is φ = 2097984666172.

The previous prime is 2101232321077. The next prime is 2101232321113. The reversal of 2101232321101 is 1011232321012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2101232321101 - 2¹³ = 2101232312909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101232321141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1623826495 + ... + 1623827788.

It is an arithmetic number, because the mean of its divisors is an integer number (526119994008).

Almost surely, 2^{2101232321101} is an apocalyptic number.

It is an amenable number.

2101232321101 is a deficient number, since it is larger than the sum of its proper divisors (3247654931).

2101232321101 is an equidigital number, since it uses as much as digits as its factorization.

2101232321101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247654930.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2101232321101 its reverse (1011232321012), we get a palindrome (3112464642113).

The spelling of 2101232321101 in words is "two trillion, one hundred one billion, two hundred thirty-two million, three hundred twenty-one thousand, one hundred one".