10211101211 has 4 divisors (see below), whose sum is σ = 10403763552. Its totient is φ = 10018438872.

The previous prime is 10211101207. The next prime is 10211101279. The reversal of 10211101211 is 11210111201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11210111201 = 2357 ⋅4756093.

It is a cyclic number.

It is not a de Polignac number, because 10211101211 - 2² = 10211101207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10211101192 and 10211101201.

It is not an unprimeable number, because it can be changed into a prime (10211101711) 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, 96331091 + ... + 96331196.

It is an arithmetic number, because the mean of its divisors is an integer number (2600940888).

Almost surely, 2^10211101211 is an apocalyptic number.

10211101211 is a deficient number, since it is larger than the sum of its proper divisors (192662341).

10211101211 is an equidigital number, since it uses as much as digits as its factorization.

10211101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192662340.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10211101211 its reverse (11210111201), we get a palindrome (21421212412).

The spelling of 10211101211 in words is "ten billion, two hundred eleven million, one hundred one thousand, two hundred eleven".