10211020101211 has 4 divisors (see below), whose sum is σ = 10378413873424. Its totient is φ = 10043626329000.

The previous prime is 10211020101203. The next prime is 10211020101253. The reversal of 10211020101211 is 11210102011201.

It is a happy number.

10211020101211 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.

It is a cyclic number.

It is not a de Polignac number, because 10211020101211 - 2³ = 10211020101203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10211020101191 and 10211020101200.

It is not an unprimeable number, because it can be changed into a prime (10211020101011) 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, 83696886015 + ... + 83696886136.

It is an arithmetic number, because the mean of its divisors is an integer number (2594603468356).

Almost surely, 2^{10211020101211} is an apocalyptic number.

10211020101211 is a deficient number, since it is larger than the sum of its proper divisors (167393772213).

10211020101211 is an equidigital number, since it uses as much as digits as its factorization.

10211020101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167393772212.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10211020101211 its reverse (11210102011201), we get a palindrome (21421122112412).

The spelling of 10211020101211 in words is "ten trillion, two hundred eleven billion, twenty million, one hundred one thousand, two hundred eleven".