11101220102211 has 16 divisors (see below), whose sum is σ = 14847347039616. Its totient is φ = 7377963988736.

The previous prime is 11101220102209. The next prime is 11101220102243. The reversal of 11101220102211 is 11220102210111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11101220102211 - 2¹ = 11101220102209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11101220102261) 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, 2818396 + ... + 5490518.

It is an arithmetic number, because the mean of its divisors is an integer number (927959189976).

Almost surely, 2^{11101220102211} is an apocalyptic number.

11101220102211 is a deficient number, since it is larger than the sum of its proper divisors (3746126937405).

11101220102211 is a wasteful number, since it uses less digits than its factorization.

11101220102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676402.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11101220102211 its reverse (11220102210111), we get a palindrome (22321322312322).

The spelling of 11101220102211 in words is "eleven trillion, one hundred one billion, two hundred twenty million, one hundred two thousand, two hundred eleven".