2312320221211 has 32 divisors (see below), whose sum is σ = 3109820345856. Its totient is φ = 1660439520000.

The previous prime is 2312320221203. The next prime is 2312320221217. The reversal of 2312320221211 is 1121220232132.

It is a cyclic number.

It is not a de Polignac number, because 2312320221211 - 2³ = 2312320221203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2312320221217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1320205 + ... + 2523406.

It is an arithmetic number, because the mean of its divisors is an integer number (97181885808).

Almost surely, 2^{2312320221211} is an apocalyptic number.

2312320221211 is a deficient number, since it is larger than the sum of its proper divisors (797500124645).

2312320221211 is a wasteful number, since it uses less digits than its factorization.

2312320221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844243.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2312320221211 its reverse (1121220232132), we get a palindrome (3433540453343).

The spelling of 2312320221211 in words is "two trillion, three hundred twelve billion, three hundred twenty million, two hundred twenty-one thousand, two hundred eleven".