2221311322101 has 8 divisors (see below), whose sum is σ = 2961826218400. Its totient is φ = 1480835320272.

The previous prime is 2221311322091. The next prime is 2221311322103. The reversal of 2221311322101 is 1012231131222.

2221311322101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2221311322101 - 2²¹ = 2221309224949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221311322103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9590095 + ... + 9818988.

It is an arithmetic number, because the mean of its divisors is an integer number (370228277300).

Almost surely, 2^{2221311322101} is an apocalyptic number.

It is an amenable number.

2221311322101 is a deficient number, since it is larger than the sum of its proper divisors (740514896299).

2221311322101 is a wasteful number, since it uses less digits than its factorization.

2221311322101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19447235.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2221311322101 its reverse (1012231131222), we get a palindrome (3233542453323).

The spelling of 2221311322101 in words is "two trillion, two hundred twenty-one billion, three hundred eleven million, three hundred twenty-two thousand, one hundred one".