2111304122240 has 64 divisors (see below), whose sum is σ = 5061882587760. Its totient is φ = 842087780352.

The previous prime is 2111304122233. The next prime is 2111304122251. The reversal of 2111304122240 is 422214031112.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4531397 + ... + 4975556.

Almost surely, 2^{2111304122240} is an apocalyptic number.

2111304122240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111304122240 is an abundant number, since it is smaller than the sum of its proper divisors (2950578465520).

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

2111304122240 is an equidigital number, since it uses as much as digits as its factorization.

2111304122240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9507319 (or 9507307 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 2111304122240 its reverse (422214031112), we get a palindrome (2533518153352).

The spelling of 2111304122240 in words is "two trillion, one hundred eleven billion, three hundred four million, one hundred twenty-two thousand, two hundred forty".