10213101211 has 4 divisors (see below), whose sum is σ = 10251068400. Its totient is φ = 10175134024.

The previous prime is 10213101209. The next prime is 10213101221. The reversal of 10213101211 is 11210131201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10213101211 - 2¹ = 10213101209 is a prime.

It is a super-2 number, since 2×10213101211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10213101191 and 10213101200.

It is not an unprimeable number, because it can be changed into a prime (10213101221) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18983191 + ... + 18983728.

It is an arithmetic number, because the mean of its divisors is an integer number (2562767100).

Almost surely, 2^10213101211 is an apocalyptic number.

10213101211 is a deficient number, since it is larger than the sum of its proper divisors (37967189).

10213101211 is an equidigital number, since it uses as much as digits as its factorization.

10213101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37967188.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10213101211 its reverse (11210131201), we get a palindrome (21423232412).

The spelling of 10213101211 in words is "ten billion, two hundred thirteen million, one hundred one thousand, two hundred eleven".