2321111031012 has 18 divisors (see below), whose sum is σ = 5867252884038. Its totient is φ = 773703676992.

The previous prime is 2321111030993. The next prime is 2321111031157. The reversal of 2321111031012 is 2101301111232.

2321111031012 is a `hidden beast` number, since 2 + 321 + 11 + 10 + 310 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2235551270976 + 85559760036 = 1495176^2 + 292506^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32237653173 + ... + 32237653244.

Almost surely, 2^{2321111031012} is an apocalyptic number.

It is an amenable number.

2321111031012 is an abundant number, since it is smaller than the sum of its proper divisors (3546141853026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2321111031012 is a wasteful number, since it uses less digits than its factorization.

2321111031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64475306427 (or 64475306422 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2321111031012 its reverse (2101301111232), we get a palindrome (4422412142244).

The spelling of 2321111031012 in words is "two trillion, three hundred twenty-one billion, one hundred eleven million, thirty-one thousand, twelve".