2312221301121 has 16 divisors (see below), whose sum is σ = 3264484982400. Its totient is φ = 1450728830208.

The previous prime is 2312221301119. The next prime is 2312221301149. The reversal of 2312221301121 is 1211031222132.

It is not a de Polignac number, because 2312221301121 - 2¹ = 2312221301119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2312221309121) 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, 216261 + ... + 2161298.

It is an arithmetic number, because the mean of its divisors is an integer number (204030311400).

Almost surely, 2^{2312221301121} is an apocalyptic number.

It is an amenable number.

2312221301121 is a deficient number, since it is larger than the sum of its proper divisors (952263681279).

2312221301121 is a wasteful number, since it uses less digits than its factorization.

2312221301121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396648.

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

Adding to 2312221301121 its reverse (1211031222132), we get a palindrome (3523252523253).

The spelling of 2312221301121 in words is "two trillion, three hundred twelve billion, two hundred twenty-one million, three hundred one thousand, one hundred twenty-one".