2100032222220 has 36 divisors (see below), whose sum is σ = 6370097741280. Its totient is φ = 560008592544.

The previous prime is 2100032222209. The next prime is 2100032222227. The reversal of 2100032222220 is 222222300012.

2100032222220 is a `hidden beast` number, since 2 + 100 + 0 + 322 + 22 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2100032222193 and 2100032222202.

It is not an unprimeable number, because it can be changed into a prime (2100032222227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5833422660 + ... + 5833423019.

It is an arithmetic number, because the mean of its divisors is an integer number (176947159480).

Almost surely, 2^{2100032222220} is an apocalyptic number.

2100032222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100032222220 is an abundant number, since it is smaller than the sum of its proper divisors (4270065519060).

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

2100032222220 is a wasteful number, since it uses less digits than its factorization.

2100032222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11666845694 (or 11666845689 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 2100032222220 its reverse (222222300012), we get a palindrome (2322254522232).

The spelling of 2100032222220 in words is "two trillion, one hundred billion, thirty-two million, two hundred twenty-two thousand, two hundred twenty".