1011242213 has 4 divisors (see below), whose sum is σ = 1011410988. Its totient is φ = 1011073440.

The previous prime is 1011242179. The next prime is 1011242233. The reversal of 1011242213 is 3122421101.

1011242213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3122421101 = 419 ⋅7452079.

It can be written as a sum of positive squares in 2 ways, for example, as 575184289 + 436057924 = 23983^2 + 20882^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011242213 - 2¹⁴ = 1011225829 is a prime.

It is a super-2 number, since 2×1011242213² = 2045221626706274738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011242191 and 1011242200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011242233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75056 + ... + 87497.

It is an arithmetic number, because the mean of its divisors is an integer number (252852747).

Almost surely, 2^1011242213 is an apocalyptic number.

It is an amenable number.

1011242213 is a deficient number, since it is larger than the sum of its proper divisors (168775).

1011242213 is an equidigital number, since it uses as much as digits as its factorization.

1011242213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168774.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1011242213 is about 31800.0347955784. The cubic root of 1011242213 is about 1003.7334483504.

Adding to 1011242213 its reverse (3122421101), we get a palindrome (4133663314).

It can be divided in two parts, 10112 and 42213, that added together give a palindrome (52325).

The spelling of 1011242213 in words is "one billion, eleven million, two hundred forty-two thousand, two hundred thirteen".