10211100111 has 16 divisors (see below), whose sum is σ = 15146287200. Its totient is φ = 6798970944.

The previous prime is 10211100091. The next prime is 10211100113. The reversal of 10211100111 is 11100111201.

It is not a de Polignac number, because 10211100111 - 2⁹ = 10211099599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10211100093 and 10211100102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211100113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211896 + ... + 255581.

It is an arithmetic number, because the mean of its divisors is an integer number (946642950).

Almost surely, 2^10211100111 is an apocalyptic number.

10211100111 is a deficient number, since it is larger than the sum of its proper divisors (4935187089).

10211100111 is an equidigital number, since it uses as much as digits as its factorization.

10211100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468295 (or 468289 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 10211100111 its reverse (11100111201), we get a palindrome (21311211312).

The spelling of 10211100111 in words is "ten billion, two hundred eleven million, one hundred thousand, one hundred eleven".