2231320100101 has 4 divisors (see below), whose sum is σ = 2231334566604. Its totient is φ = 2231305633600.

The previous prime is 2231320100083. The next prime is 2231320100143. The reversal of 2231320100101 is 1010010231322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 426056452900 + 1805263647201 = 652730^2 + 1343601^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231320100101 - 2²³ = 2231311711493 is a prime.

It is a super-3 number, since 3×2231320100101³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231320800101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6999370 + ... + 7311211.

It is an arithmetic number, because the mean of its divisors is an integer number (557833641651).

Almost surely, 2^{2231320100101} is an apocalyptic number.

It is an amenable number.

2231320100101 is a deficient number, since it is larger than the sum of its proper divisors (14466503).

2231320100101 is a wasteful number, since it uses less digits than its factorization.

2231320100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14466502.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2231320100101 its reverse (1010010231322), we get a palindrome (3241330331423).

The spelling of 2231320100101 in words is "two trillion, two hundred thirty-one billion, three hundred twenty million, one hundred thousand, one hundred one".