2421210031100 has 144 divisors (see below), whose sum is σ = 6407219078400. Its totient is φ = 775664709120.

The previous prime is 2421210031087. The next prime is 2421210031127. The reversal of 2421210031100 is 11300121242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 275990 + ... + 2217789.

Almost surely, 2^{2421210031100} is an apocalyptic number.

2421210031100 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 2421210031100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3203609539200).

2421210031100 is an abundant number, since it is smaller than the sum of its proper divisors (3986009047300).

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

2421210031100 is a wasteful number, since it uses less digits than its factorization.

2421210031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493892 (or 2493885 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2421210031100 its reverse (11300121242), we get a palindrome (2432510152342).

The spelling of 2421210031100 in words is "two trillion, four hundred twenty-one billion, two hundred ten million, thirty-one thousand, one hundred".