2130422100 has 144 divisors (see below), whose sum is σ = 6342927360. Its totient is φ = 551779200.

The previous prime is 2130422089. The next prime is 2130422111. The reversal of 2130422100 is 12240312.

It is an interprime number because it is at equal distance from previous prime (2130422089) and next prime (2130422111).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2130422100.

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, 3082755 + ... + 3083445.

Almost surely, 2^2130422100 is an apocalyptic number.

2130422100 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 2130422100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3171463680).

2130422100 is an abundant number, since it is smaller than the sum of its proper divisors (4212505260).

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

2130422100 is a wasteful number, since it uses less digits than its factorization.

2130422100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2130422100 is about 46156.4957508691. The cubic root of 2130422100 is about 1286.7333368886.

Adding to 2130422100 its reverse (12240312), we get a palindrome (2142662412).

The spelling of 2130422100 in words is "two billion, one hundred thirty million, four hundred twenty-two thousand, one hundred".