1021100214 has 16 divisors (see below), whose sum is σ = 2047537152. Its totient is φ = 339477288.

The previous prime is 1021100209. The next prime is 1021100263. The reversal of 1021100214 is 4120011201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021100214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219874 + ... + 224469.

It is an arithmetic number, because the mean of its divisors is an integer number (127971072).

Almost surely, 2^1021100214 is an apocalyptic number.

1021100214 is an abundant number, since it is smaller than the sum of its proper divisors (1026436938).

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

1021100214 is a wasteful number, since it uses less digits than its factorization.

1021100214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444731.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1021100214 is about 31954.6587213821. The cubic root of 1021100214 is about 1006.9845077424.

Adding to 1021100214 its reverse (4120011201), we get a palindrome (5141111415).

The spelling of 1021100214 in words is "one billion, twenty-one million, one hundred thousand, two hundred fourteen".