2421111112000 has 224 divisors, whose sum is σ = 6856099511040. Its totient is φ = 829651507200.

The previous prime is 2421111111961. The next prime is 2421111112009. The reversal of 2421111112000 is 2111111242.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421111112009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114957471 + ... + 114978529.

Almost surely, 2^{2421111112000} is an apocalyptic number.

2421111112000 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 2421111112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3428049755520).

2421111112000 is an abundant number, since it is smaller than the sum of its proper divisors (4434988399040).

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

2421111112000 is a wasteful number, since it uses less digits than its factorization.

2421111112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23146 (or 23126 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2421111112000 its reverse (2111111242), we get a palindrome (2423222223242).

The spelling of 2421111112000 in words is "two trillion, four hundred twenty-one billion, one hundred eleven million, one hundred twelve thousand".