2130100220 has 12 divisors (see below), whose sum is σ = 4473210504. Its totient is φ = 852040080.

The previous prime is 2130100177. The next prime is 2130100223. The reversal of 2130100220 is 220010312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130100223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53252486 + ... + 53252525.

It is an arithmetic number, because the mean of its divisors is an integer number (372767542).

Almost surely, 2^2130100220 is an apocalyptic number.

2130100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130100220 is an abundant number, since it is smaller than the sum of its proper divisors (2343110284).

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

2130100220 is a wasteful number, since it uses less digits than its factorization.

2130100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106505020 (or 106505018 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2130100220 is about 46153.0087859936. The cubic root of 2130100220 is about 1286.6685305470.

Adding to 2130100220 its reverse (220010312), we get a palindrome (2350110532).

The spelling of 2130100220 in words is "two billion, one hundred thirty million, one hundred thousand, two hundred twenty".