10211112011 has 4 divisors (see below), whose sum is σ = 10241961624. Its totient is φ = 10180262400.

The previous prime is 10211111987. The next prime is 10211112029. The reversal of 10211112011 is 11021111201.

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 10211112011 - 2¹⁸ = 10210849867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10211111983 and 10211112001.

It is not an unprimeable number, because it can be changed into a prime (10211112091) 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, 15424310 + ... + 15424971.

It is an arithmetic number, because the mean of its divisors is an integer number (2560490406).

Almost surely, 2^10211112011 is an apocalyptic number.

10211112011 is a deficient number, since it is larger than the sum of its proper divisors (30849613).

10211112011 is an equidigital number, since it uses as much as digits as its factorization.

10211112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30849612.

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

Adding to 10211112011 its reverse (11021111201), we get a palindrome (21232223212).

The spelling of 10211112011 in words is "ten billion, two hundred eleven million, one hundred twelve thousand, eleven".