2131111010322 has 48 divisors (see below), whose sum is σ = 5447263790592. Its totient is φ = 589247282880.

The previous prime is 2131111010321. The next prime is 2131111010333. The reversal of 2131111010322 is 2230101111312.

2131111010322 is a `hidden beast` number, since 21 + 311 + 1 + 1 + 0 + 10 + 322 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2131111010295 and 2131111010304.

It is not an unprimeable number, because it can be changed into a prime (2131111010321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272795763 + ... + 272803574.

It is an arithmetic number, because the mean of its divisors is an integer number (113484662304).

Almost surely, 2^{2131111010322} is an apocalyptic number.

2131111010322 is an abundant number, since it is smaller than the sum of its proper divisors (3316152780270).

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

2131111010322 is a wasteful number, since it uses less digits than its factorization.

2131111010322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545599383 (or 545599380 counting only the distinct ones).

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

Adding to 2131111010322 its reverse (2230101111312), we get a palindrome (4361212121634).

The spelling of 2131111010322 in words is "two trillion, one hundred thirty-one billion, one hundred eleven million, ten thousand, three hundred twenty-two".