2102211110011 has 4 divisors (see below), whose sum is σ = 2104716726000. Its totient is φ = 2099705494024.

The previous prime is 2102211110009. The next prime is 2102211110101. The reversal of 2102211110011 is 1100111122012.

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 2102211110011 - 2¹ = 2102211110009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102211109973 and 2102211110000.

It is not an unprimeable number, because it can be changed into a prime (2102211114011) 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, 1252806736 + ... + 1252808413.

It is an arithmetic number, because the mean of its divisors is an integer number (526179181500).

Almost surely, 2^{2102211110011} is an apocalyptic number.

2102211110011 is a deficient number, since it is larger than the sum of its proper divisors (2505615989).

2102211110011 is an equidigital number, since it uses as much as digits as its factorization.

2102211110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505615988.

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

Adding to 2102211110011 its reverse (1100111122012), we get a palindrome (3202322232023).

The spelling of 2102211110011 in words is "two trillion, one hundred two billion, two hundred eleven million, one hundred ten thousand, eleven".