2121410000100 has 144 divisors (see below), whose sum is σ = 6465977262080. Its totient is φ = 535521974400.

The previous prime is 2121410000093. The next prime is 2121410000147. The reversal of 2121410000100 is 10000141212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 7284285 + ... + 7569915.

Almost surely, 2^{2121410000100} is an apocalyptic number.

2121410000100 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 2121410000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3232988631040).

2121410000100 is an abundant number, since it is smaller than the sum of its proper divisors (4344567261980).

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

2121410000100 is a wasteful number, since it uses less digits than its factorization.

2121410000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286970 (or 286963 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2121410000100 its reverse (10000141212), we get a palindrome (2131410141312).

The spelling of 2121410000100 in words is "two trillion, one hundred twenty-one billion, four hundred ten million, one hundred", and thus it is an aban number.