2111220033240 has 128 divisors (see below), whose sum is σ = 6922558494720. Its totient is φ = 512782080000.

The previous prime is 2111220033227. The next prime is 2111220033379. The reversal of 2111220033240 is 423300221112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16628886 + ... + 16755365.

It is an arithmetic number, because the mean of its divisors is an integer number (54082488240).

Almost surely, 2^{2111220033240} is an apocalyptic number.

2111220033240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111220033240 is an abundant number, since it is smaller than the sum of its proper divisors (4811338461480).

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

2111220033240 is a wasteful number, since it uses less digits than its factorization.

2111220033240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33384313 (or 33384309 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2111220033240 its reverse (423300221112), we get a palindrome (2534520254352).

The spelling of 2111220033240 in words is "two trillion, one hundred eleven billion, two hundred twenty million, thirty-three thousand, two hundred forty".