2111223103200 has 216 divisors, whose sum is σ = 7450779432096. Its totient is φ = 562533120000.

The previous prime is 2111223103181. The next prime is 2111223103237. The reversal of 2111223103200 is 23013221112.

2111223103200 is a `hidden beast` number, since 2 + 1 + 11 + 22 + 310 + 320 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8744100 + ... + 8982300.

Almost surely, 2^{2111223103200} is an apocalyptic number.

2111223103200 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 2111223103200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3725389716048).

2111223103200 is an abundant number, since it is smaller than the sum of its proper divisors (5339556328896).

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

2111223103200 is a wasteful number, since it uses less digits than its factorization.

2111223103200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239458 (or 239442 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2111223103200 its reverse (23013221112), we get a palindrome (2134236324312).

The spelling of 2111223103200 in words is "two trillion, one hundred eleven billion, two hundred twenty-three million, one hundred three thousand, two hundred".