1010113221 has 24 divisors (see below), whose sum is σ = 1465498720. Its totient is φ = 615211200.

The previous prime is 1010113219. The next prime is 1010113231. The reversal of 1010113221 is 1223110101.

1010113221 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 1010113221 - 2¹ = 1010113219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010113197 and 1010113206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010113231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396570 + ... + 399108.

Almost surely, 2^1010113221 is an apocalyptic number.

It is an amenable number.

1010113221 is a deficient number, since it is larger than the sum of its proper divisors (455385499).

1010113221 is a wasteful number, since it uses less digits than its factorization.

1010113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757 (or 2656 counting only the distinct ones).

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

The square root of 1010113221 is about 31782.2784110894. The cubic root of 1010113221 is about 1003.3597729506.

Adding to 1010113221 its reverse (1223110101), we get a palindrome (2233223322).

The spelling of 1010113221 in words is "one billion, ten million, one hundred thirteen thousand, two hundred twenty-one".