2111223340404 has 240 divisors, whose sum is σ = 6135302638080. Its totient is φ = 630028238400.

The previous prime is 2111223340393. The next prime is 2111223340433. The reversal of 2111223340404 is 4040433221112.

2111223340404 is a `hidden beast` number, since 2 + 1 + 1 + 1 + 223 + 34 + 0 + 404 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11661979 + ... + 11841629.

It is an arithmetic number, because the mean of its divisors is an integer number (25563760992).

Almost surely, 2^{2111223340404} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111223340404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3067651319040).

2111223340404 is an abundant number, since it is smaller than the sum of its proper divisors (4024079297676).

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

2111223340404 is a wasteful number, since it uses less digits than its factorization.

2111223340404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179792 (or 179781 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2111223340404 its reverse (4040433221112), we get a palindrome (6151656561516).

The spelling of 2111223340404 in words is "two trillion, one hundred eleven billion, two hundred twenty-three million, three hundred forty thousand, four hundred four".