2100221022 has 8 divisors (see below), whose sum is σ = 4200442056. Its totient is φ = 700073672.

The previous prime is 2100221017. The next prime is 2100221029. The reversal of 2100221022 is 2201220012.

It is a sphenic number, since it is the product of 3 distinct primes.

2100221022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2100220989 and 2100221007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100221029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175018413 + ... + 175018424.

It is an arithmetic number, because the mean of its divisors is an integer number (525055257).

Almost surely, 2^2100221022 is an apocalyptic number.

2100221022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2100221022 is a wasteful number, since it uses less digits than its factorization.

2100221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350036842.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2100221022 is about 45828.1684338355. The cubic root of 2100221022 is about 1280.6240897873.

Adding to 2100221022 its reverse (2201220012), we get a palindrome (4301441034).

It can be divided in two parts, 21002 and 21022, that added together give a palindrome (42024).

The spelling of 2100221022 in words is "two billion, one hundred million, two hundred twenty-one thousand, twenty-two".