1102211102011 has 4 divisors (see below), whose sum is σ = 1123007537952. Its totient is φ = 1081414666072.

The previous prime is 1102211101963. The next prime is 1102211102017. The reversal of 1102211102011 is 1102011122011.

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 1102211102011 - 2¹⁹ = 1102210577723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102211101982 and 1102211102000.

It is not an unprimeable number, because it can be changed into a prime (1102211102017) 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, 10398217891 + ... + 10398217996.

It is an arithmetic number, because the mean of its divisors is an integer number (280751884488).

Almost surely, 2^{1102211102011} is an apocalyptic number.

1102211102011 is a deficient number, since it is larger than the sum of its proper divisors (20796435941).

1102211102011 is an equidigital number, since it uses as much as digits as its factorization.

1102211102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20796435940.

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

Adding to 1102211102011 its reverse (1102011122011), we get a palindrome (2204222224022).

The spelling of 1102211102011 in words is "one trillion, one hundred two billion, two hundred eleven million, one hundred two thousand, eleven".