2111004322400 has 108 divisors (see below), whose sum is σ = 5231563978788. Its totient is φ = 831797303040.

The previous prime is 2111004322381. The next prime is 2111004322447. The reversal of 2111004322400 is 42234001112.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3297287 + ... + 3885113.

It is an arithmetic number, because the mean of its divisors is an integer number (48440407211).

Almost surely, 2^{2111004322400} is an apocalyptic number.

2111004322400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111004322400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2615781989394).

2111004322400 is an abundant number, since it is smaller than the sum of its proper divisors (3120559656388).

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

2111004322400 is an equidigital number, since it uses as much as digits as its factorization.

2111004322400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587981 (or 587901 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2111004322400 its reverse (42234001112), we get a palindrome (2153238323512).

The spelling of 2111004322400 in words is "two trillion, one hundred eleven billion, four million, three hundred twenty-two thousand, four hundred".