1021114224 has 90 divisors (see below), whose sum is σ = 3094508040. Its totient is φ = 314181504.

The previous prime is 1021114219. The next prime is 1021114253. The reversal of 1021114224 is 4224111201.

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 = 1021114197 and 1021114206.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 3357 + ... + 45315.

Almost surely, 2^1021114224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021114224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1547254020).

1021114224 is an abundant number, since it is smaller than the sum of its proper divisors (2073393816).

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

1021114224 is a wasteful number, since it uses less digits than its factorization.

1021114224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41999 (or 41977 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1021114224 is about 31954.8779374918. The cubic root of 1021114224 is about 1006.9891131632.

Adding to 1021114224 its reverse (4224111201), we get a palindrome (5245225425).

The spelling of 1021114224 in words is "one billion, twenty-one million, one hundred fourteen thousand, two hundred twenty-four".