1011224421 has 12 divisors (see below), whose sum is σ = 1494626848. Its totient is φ = 658471464.

The previous prime is 1011224399. The next prime is 1011224483. The reversal of 1011224421 is 1244221101.

1011224421 is a `hidden beast` number, since 10 + 11 + 224 + 421 = 666.

1011224421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1011224421 - 2²¹ = 1009127269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011224394 and 1011224403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011224491) 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, 1306105 + ... + 1306878.

Almost surely, 2^1011224421 is an apocalyptic number.

It is an amenable number.

1011224421 is a deficient number, since it is larger than the sum of its proper divisors (483402427).

1011224421 is a wasteful number, since it uses less digits than its factorization.

1011224421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613032 (or 2613029 counting only the distinct ones).

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

The square root of 1011224421 is about 31799.7550462264. The cubic root of 1011224421 is about 1003.7275616861.

Adding to 1011224421 its reverse (1244221101), we get a palindrome (2255445522).

The spelling of 1011224421 in words is "one billion, eleven million, two hundred twenty-four thousand, four hundred twenty-one".