2131102321110 has 384 divisors, whose sum is σ = 6634769356800. Its totient is φ = 464456374272.

The previous prime is 2131102321109. The next prime is 2131102321141. The reversal of 2131102321110 is 111232011312.

2131102321110 is a `hidden beast` number, since 2 + 131 + 102 + 321 + 110 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 310788802 + ... + 310795658.

It is an arithmetic number, because the mean of its divisors is an integer number (17278045200).

Almost surely, 2^{2131102321110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131102321110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3317384678400).

2131102321110 is an abundant number, since it is smaller than the sum of its proper divisors (4503667035690).

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

2131102321110 is a wasteful number, since it uses less digits than its factorization.

2131102321110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7180 (or 7177 counting only the distinct ones).

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

Adding to 2131102321110 its reverse (111232011312), we get a palindrome (2242334332422).

The spelling of 2131102321110 in words is "two trillion, one hundred thirty-one billion, one hundred two million, three hundred twenty-one thousand, one hundred ten".