2100212422 has 48 divisors (see below), whose sum is σ = 4135723920. Its totient is φ = 790036800.

The previous prime is 2100212417. The next prime is 2100212441. The reversal of 2100212422 is 2242120012.

It is a junction number, because it is equal to n+sod(n) for n = 2100212396 and 2100212405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2329 + ... + 64852.

It is an arithmetic number, because the mean of its divisors is an integer number (86160915).

Almost surely, 2^2100212422 is an apocalyptic number.

2100212422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2100212422 is a deficient number, since it is larger than the sum of its proper divisors (2035511498).

2100212422 is a wasteful number, since it uses less digits than its factorization.

2100212422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67237 (or 67230 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2100212422 is about 45828.0746049842. The cubic root of 2100212422 is about 1280.6223418154.

Adding to 2100212422 its reverse (2242120012), we get a palindrome (4342332434).

The spelling of 2100212422 in words is "two billion, one hundred million, two hundred twelve thousand, four hundred twenty-two".