2312101303221 has 16 divisors (see below), whose sum is σ = 3264173909568. Its totient is φ = 1450716499200.

The previous prime is 2312101303199. The next prime is 2312101303229. The reversal of 2312101303221 is 1223031012132.

It is not a de Polignac number, because 2312101303221 - 2³⁴ = 2294921434037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312101303229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9480906 + ... + 9721716.

It is an arithmetic number, because the mean of its divisors is an integer number (204010869348).

Almost surely, 2^{2312101303221} is an apocalyptic number.

It is an amenable number.

2312101303221 is a deficient number, since it is larger than the sum of its proper divisors (952072606347).

2312101303221 is a wasteful number, since it uses less digits than its factorization.

2312101303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429092.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2312101303221 its reverse (1223031012132), we get a palindrome (3535132315353).

The spelling of 2312101303221 in words is "two trillion, three hundred twelve billion, one hundred one million, three hundred three thousand, two hundred twenty-one".