2312213220101 has 8 divisors (see below), whose sum is σ = 2313681288600. Its totient is φ = 2310745501440.

The previous prime is 2312213220091. The next prime is 2312213220127. The reversal of 2312213220101 is 1010223122132.

It can be written as a sum of positive squares in 4 ways, for example, as 1552441240900 + 759771979201 = 1245970^2 + 871649^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312213220101 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 (2312213220181) 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 7 ways as a sum of consecutive naturals, for example, 13831745 + ... + 13997913.

It is an arithmetic number, because the mean of its divisors is an integer number (289210161075).

Almost surely, 2^{2312213220101} is an apocalyptic number.

It is an amenable number.

2312213220101 is a deficient number, since it is larger than the sum of its proper divisors (1468068499).

2312213220101 is a wasteful number, since it uses less digits than its factorization.

2312213220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174919.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2312213220101 its reverse (1010223122132), we get a palindrome (3322436342233).

The spelling of 2312213220101 in words is "two trillion, three hundred twelve billion, two hundred thirteen million, two hundred twenty thousand, one hundred one".