101002213 has 4 divisors (see below), whose sum is σ = 108771628. Its totient is φ = 93232800.

The previous prime is 101002207. The next prime is 101002241. The reversal of 101002213 is 312200101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7628644 + 93373569 = 2762^2 + 9663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101002213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101002213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101002243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3884688 + ... + 3884713.

It is an arithmetic number, because the mean of its divisors is an integer number (27192907).

Almost surely, 2^101002213 is an apocalyptic number.

101002213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

101002213 is a deficient number, since it is larger than the sum of its proper divisors (7769415).

101002213 is an equidigital number, since it uses as much as digits as its factorization.

101002213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7769414.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 101002213 is about 10049.9857213829. The cubic root of 101002213 is about 465.7043520631.

Adding to 101002213 its reverse (312200101), we get a palindrome (413202314).

The spelling of 101002213 in words is "one hundred one million, two thousand, two hundred thirteen".